Download Advanced electronic 2 - ECE502 Past Question PDF

Topics: Electrical engineering, Electric Circuit, resistance, resistivity, series, parallel networks, potential divider, capacitors, inductors, electrostatic field, electric field strength, capacitance, capacitors, electric flux density, permittivity, dielectric strength, inductance, DC circuit theory, Kirchhoff's law, Thevenin's theorem, Norton’s Theorem, Maximum Power Transfer Theorem, alternating voltages, alternating currents, rectification, complex numbers, transient, Laplace Transforms, digital electronics, semiconductors, semiconductor diodes, bipolar junction transistor, Metal-oxide Semiconductor Field-effect Transistors, Gallium Arsenide Semiconductors, Light-emitting Diodes, Analog Electronics, Operational Amplifier, circuit simulation, interfacing, Microcontrollers, Microprocessors, Power Electronics, signals, signal processing, filter design, bandpass filter, notch filter, Switched Capacitor Filter, Monolithic Switched Capacitor Filter, Communications Systems, Analog Modulation Techniques, Digital Modulation Techniques, electromagnetics, Electromagnetic Spectrum, Microwave Techniques, magnetic fields, Electromagnetic Transients, Electromagnetic Interference, Traveling Wave Effects, transformers, Electromagnetic Compatibility

Topics: Semiconductor, solids, crystal structure, lattice dynamics, semiconductor statistics, Energy Band Theory, Bloch–Floquet Theorem, Kronig–Penney Model, Band-to-Band Radiative Recombination, Band-to-Band Auger Recombination, Charge-Neutrality Equation, Haynes–Shockley Experiment, Photoconductivity Decay Experiment, Impurity Scattering, Phonon Scattering, p-n Junction Diodes, photoelectric effects, solar cells, photodetectors, light-emitting devices, Bipolar Junction Transistors, Metal-Oxide-Semiconductor Field-Effect Transistors, Metal–Semiconductor Field-Effect Transistors, High Electron Mobility Transistors, Hot-Electron Transistors, Resonant Tunneling Devices, Transferred-Electron Devices, Advanced Bipolar Junction Transistors, Heterojunction Bipolar Transistors, thyristors, Zener Breakdowns, Avalanche Breakdowns, tunnel diodes, Thermionic Emission Theory, Metal Work Function, Schottky Effect, ideal Schottky contact

Topics: Electrical Machines, electromagnetism, Faraday's law, Lenz's law, magnetic circuits, magnetomotive force, magnetic field intensity, magnetic flux, single-phase circuits, power triangle, complex power, transformers, transformer oil, Buchholz relay, transformer tank, magnetic leakage, equivalent reactance, sumpner's test, pulse transformer, welding transformer, Three-phase transformers, rotating machines, electromagnetic torque, reluctance torque, DC generators, DC motors, voltage equation, Back EMF, Electric braking, synchronous generators, voltage regulation, Two reaction theory, synchronous motors, polyphase induction motor, single phase motor

Topics: Transformers, ideal transformer, magnetic leakage, magnetic circuit, windings, insulation, voltage regulation, tapchanger, electromagnetic force, transformer tank, transformer auxiliaries, transformer oil preservation systems, transformer protection, reactors, traction transformers, rectifier transformers, convertor transformers, controlled shunt reactor, circuit proof transformer, high voltage condenser bushing

Topics: Semiconductors, Diode Theory, Diode Circuits, Special-Purpose Diodes, BJT Fundamentals, BJT Biasing, BJT Amplifiers, Multistage Amplifiers, CC Amplifiers, CB Amplifiers, Power Amplifiers, JFETs, MOSFETs, Thyristors, Frequency Effects, Differential Amplifiers, Operational Amplifiers, Negative Feedback, Linear Op-Amp Circuit Applications, Active Filters, nonlinear op-amp circuit applications, oscilators, regulated power supplies

Topics: Communication Systems Engineering, Electrical Communication System, Communication Channel, frequency domain analysis, Fourier series, Fourier transforms, Bandlimited Signals sampling, bandpass signals, analog signal transmission, modulation, amplitude modulation, Conventional Amplitude Modulation, angle modulation, radio broadcasting, television broadcasting, mobile radio systems, random processes, Gaussian Processes, White Processes, Bandlimited Processes, Bandpass Processes, Linear-Modulation Systems, information sources, source coding, source-coding theorem, Source-Coding Algorithms, Rate-Distortion Theory, quantization, Analysis-Synthesis Techniques, waveform coding, Digital Audio Transmission, Digital Audio Recording, Pulse Amplitude Modulation, Two-dimensional Signal Waveforms, Multidimensional Signal Waveforms, White Gaussian Noise, Symbol Synchronization, Bandlimited Channels, Digitally Modulated Signals, channel; capacity, channel coding, linear block code, cyclic codes, Convolutional Codes, wireless communications, Continuous Carrier-Phase Modulation, Spread-Spectrum Communication Systems, Digital Cellular Communication Systems

Topics: Electronic Communication, Gain, Attenuation, Decibels, Tuned Circuits, Filters, Fourier Theory, Amplitude Modulation, Amplitude Demodulator, Balanced Modulators, SSB Circuits, Frequency Modulation, FM Circuits, Digital Communication Techniques, Radio Transmitters, Communication Receivers, Multiplexing, Demultiplexing, Digital Data Transmission, Networking, Local-Area Networks, Ethernet, Transmission Lines, Antennas, Wave Propagation, Internet Technologies, Microwave, Millimeter Wave Communication, Satellite

Topics: elements, compounds, atomic theory, chemical reaction, atom constituents, chemical symbols, chemical formulae, chemical reactions, chemical equations, electronic configuration, atomic number, mass numbers, nuclear atom, electronic, energy levels, Ion formations, nuclear reactions, radioactivity, nuclear radiations, nuclear fusion, nuclear fission, radioactivity hazards, chemical bonding, electrovalent bonding, Ionic bonding, electrovalent compounds, covalent bonding, covalent compounds, coordinate covalent bonding, dative covalent bonding, metallic bonding, intermolecular bonding, Van der Waal's forces, dipole-dipole attractions, hydrogen bonding, periodic table, periodic law, transition elements, atomic orbital model, principal quantum number, subsidiary quantum number, azimuthal quantum number, magnetic quantum number, spin quantum number, atomic orbital shape, atomic size, ionic radius, ionization energy, electron affinity, electronegativity, mole concept, melting, vaporization, boiling point, evaporation sublimation, heating graphs, cooling graphs, Boyle's law, Charles's law, Avogadro's law, boiling, solid classification, solid properties, molecular solid, metallic solid, Ionic solid, covalent solid, energy changes, heat content, heat of reaction, exothermic reactions, energy level diagrams, standard state, thermochemical equations, entropy, entropy change, free energy, chemical kinetic, rate of a chemical reaction, temperature, gas pressure, catalyst, activation, reaction rate, collision theory, Le Chatelier's principle, Haber process, contact process, salt hydrolysis, buffer solutions, common Ion effect, solubility product, Acid bases, salt, electrolysis, redox reactions, electrolytic conduction, oxidation, reduction, copper purification, electroplating, quantitative hydrolysis, metal corrosion, iron rusting, carbon, carbon allotropes, Diamond graphite, amorphous carbon, combustion reactions, industrial gas chemistry, metals, alloys, chemical industry, heavy chemicals, fine chemicals, fertilizers, plastics, soaps, detergents, pharmaceuticals, Nigerian chemical industry, aromatic compounds, Alicyclic compound, heterocyclic compound, homologous series, functional groups, isomerism, structural isomerism, geometric isomerism, IUPAC Nomenclature of organic compounds, purification methods, distillation, crystallization, chromatography, empirical formula, molecular formular, alkanes, natural gas, petroleum crude oil, benzene, fractional distillation petrol quality, cracking, isomerization, petrochemicals, alkanols, alkanoic acid, alkenoate, fat, oils, amino acid, polymer chemistry, polymerization processes, condensation polymerization, resins, natural polymers, carbohydrates, proteins, synthetic polymers, water pollution

Topics: Electronic Devices, Electron dynamics, CRO, deflection sensitivity, junction diode characteristics, junction diode characteristics, semiconductors, rectifiers, filters, regulators, half-wave rectifier, full wave rectifier, voltage doubler circuits, transistor characteristics, bipolar junction transistors, transistor construction, Ebers-moll equation, Field effect transistor, transistor biasing, transistor stabilization, amplifiers, black box theory, transistor hybrid model, JFET low frequency equivalent circuits, Feedback Amplifiers, Oscillators

Topics: Atomic, Crystals, Doped Materials, N-Type Material, P-Type Material, PN Junctions, Diodes, Diode Applications, Bipolar Junction Transistors, BJTs, BJT Biasing, Amplifier, BJT Small Signal Amplifiers, Junction Field Effect Transistors, JFETs, JFET Small Signal Amplifiers, Metal Oxide Semiconductor FETs, MOSFETs, DE-MOSFET, MOSFET Small Signal Amplifiers, Class D Power Amplifiers

Topics: Electrical machines, transformer, Instrument Transformer, voltage transformer, current transformer, Three Phase Transformer Connection, DC motors

Topics: SEMICONDUCTOR DIODES, DIODE APPLICATIONS, BIPOLAR JUNCTION TRANSISTORS, DC BIASING, FIELD-EFFECT TRANSISTORs, FET BIASING, FET Amplifiers, BJT Frequency Response, JFET Frequency Response, Operational Amplifiers, Op-Amp Applications, Power Amplifiers, Linear-Digital ICs, Feedback Circuits, Oscillator Circuits, Voltage Regulators, terminal devices

Topics: Power System Engineering, Power System Engineering planning, Power System Engineering design, power system load, load forecast, Low-Voltage Systems, power system planning principles, power system planning criteria, loss evaluation, energy losses, power losses, power system topology, Busbar Arrangements, Double Busbar Arrangement, transformers, Thermal Permissible Loading, cable systems, Permissible Current, overload lines, Flexible AC Transmission Systems, Parallel Compensation of Lines, Serial Compensation of Lines, Phase-Shifting Equipment, HVDC-Transmission, Converter Stations, Breakers, Reactors, Electrodes, Load-Flow Calculation, Short-Circuit Current Calculation, faults, disturbances, Overcurrent Protection, Impedance Protection, Differential Protection of Lines, Ground-Fault Protection, Buchholz Protection, Overvoltages, Insulation Coordination, Slow-Front Overvoltages, Fast-Front Overvoltages, Neutral Earthing, Residual Current Compensation

Topics: Chemical Engineering Processes, Material Balance, Energy Balance, temperature measurement, temperature conversion, dimensional homogeneity, dimensionless quantities, process flow sheet, process unit, process streams, mass flow rates, volumetric rates, moles, molecular weight, stream composition, mass fraction, mole fraction, concentration, pressure measurement, pressure-sensing devices, process units, degrees of freedom analysis, process flow diagram, multiunit process flow diagram, mass balance, Stoichiometric Equation, Stoichiometric Coefficients, Stoichiometric Ratio, Limiting Reactant, Excess Reactants, Combustion Reactions, Chemical Equilibrium, Multiple-Unit Process Flowcharts, Single-Phase Systems, Multiphase Systems, Ideal Gas Equation of State, liquid density, solid density, gas density, Real Gas Relationships, Compressibility Factor, Virial Equation of State, van der Waals Equation of State, Soave–Redlich–Kwong Equation of State, Kay’s Mixing Rules, phase diagram, Vapor–Liquid Equilibrium Curve, Vapor Pressure Estimation, Clapeyron Equation, Clausius–Clapeyron Equation, Cox Chart, Antoine Equation, Partial Pressure, Dalton’s Law of Partial Pressures, Gibbs’ Phase Rule, Bubble Point, Dew Point, Critical Point, Kinetic Energy, Potential Energy, energy balance, steam turbine, heaters, coolers, compressors, Mechanical Energy Balance, Enthalpy Calculations, Constant Heat Capacity, Psychrometric Chart, Heat of Reaction, Heats of Formation, Heat of Combustion, Heat of Reaction Method, Unsteady-State Material Balance, Unsteady-State Energy Balance

Topics: circuit analysis, circuit elements, Network theorems, two-port networks, semiconductor diodes, Zener diodes, Bipolar junction transistors, JFET spice model, JFET bias line, JFET load line, MOSFET construction, transistor bias, small-signal midfrequency, BJT amplifiers, amplifier analysis, Bode plots, frequency response, High frequency FET models, Miller capacitance, operational amplifiers, switched mode power supplies, Buck converter, boost converter, inverting amplifier, noninverting amplifier

Topics: computer network, computer network security, security threats, Computer Network Vulnerabilities, cyber crimes, hackers, scripting, web workers, security assessment, security analysis, security assurance, disaster management, access control, authorization, authentication, cryptography, firewall, intrusion detection, intrusion prevention, computer forensics, network forensics, virus filtering, content filtering, computer network security protocol, wireless networks, wireless devices, sensor network, Virtualization Technology, Virtualization security, cloud computing, cloud computing security, mobile systems, Internet of Things

Topics: Signals, unit step function, unit ramp function, unit parabolic function, unit impulse function, sinusoidal signal, time shifting, signal analysis, Fourier series, wave symmetry, Fourier spectrum, Gibbs phenomenon, Continuous-time Fourier series, Fourier transform, signal transmission, convolution, time convolution, theorem, signal comparison, energy density spectrum, power density spectrum, density function, sampling, sampling theorem, Anti-Aliasing filter, data reconstruction, Laplace transforms, waveform synthesis, Z-transform, system realization, discrete-time Fourier transform

Topics: Transformer, Synchronous Machine, Transmission Line, Admittance Model, Network Calculation, Impedance Model, Power-Flow Solution, Symmetrical Fault, Sequence Network, Unsymmetrical Fault, Zbus Method, Contingency Analysis, state estimation, power system stability

Topics: Transformer, Synchronous Machine, Transmission Line, Admittance Model, Network Calculation, Impedance Model, Power-Flow Solution, Symmetrical Fault, Sequence Network, Unsymmetrical Fault, Zbus Method, Contingency Analysis, state estimation, power system stability

Topics: continuous-time signals, representation of signals, continuous-time systems, linearity, causality, stability, Laplace transform, Fourier series, Fourier transform, transfer function, response of systems, MATLAB, Z-transform, Discrete-time Fourier Transform, Discrete Fourier Transform

Topics: Physics, JAMB, Friction, work, force, motion, speed, velocity, energy, hydraulic press, relative density, hydrometer, gas law, sound wave, wave, light, mirror,capacitor, electricity, pressure

Topics: JAMB, UTME, biology, Plant cell, fern, plant biology, nutrition, circulatory system, osmoregulation, ecology, variation, hereditary, gene, chromosome, evolution

Topics: Mathematics, JAMB, Logarithm, standard form, permutation, combination, number system, set, ratio, indices, factorization, inequality