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Multistage Transistor Amplifiers Questions And Answers A radio receiver has …………… of amplification One stage Two stages Three stages More than one stages Ans : 4 RC coupling is used for ………………. amplification Voltage Current Power None of the above Ans : 1 In an RC coupled amplifier, the voltage […]
Electromagnetic Induction – Electrical Engineering The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as (a) self-inductance (b) mutual inductance (c) series aiding inductance (d) capacitance Ans: a As per Faraday’s laws of electromagnetic induction, an e.m.f. […]
Modulation & Demodulation Questions And Answers Modulation is done in ………….. Transmitter Radio receiver Between transmitter and radio receiver None of the above Answer : 1 In a transmitter ……………. oscillator is used Hartley RC phase-shift Wien-bridge Crystal Answer : 4 In India, ……………. modulation is used for radio transmission […]
Integrated Circuits Questions and Answers An IC has …………….. size Very large Large Extremely small None of the above Ans : 3 ICs are generally made of ……………… Silicon Germanium Copper None of the above Ans : 1 ……………… ICs are the most commonly used Thin films Monolithic Hybrid None […]
HYBRID PARAMETERS Questions and Answers 1. Hybrid means …… 1. Mixed 2. Single 3. Unique 4. None of the above Ans : 1 2. There are …………… h parameters of a transistor 1. Two 2. Four 3. Three 4. None of the above Answer: 2 3. The h parameter approach […]