Electronic Principles The basic unit of measurement for resistance is the: ampere None of these volt ohm watt ampere None of these volt ohm watt ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron None of these An electron that costs nothing An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron None of these An electron that costs nothing ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 300 µA 0.25 µA None of these 250 µA 350 µA 300 µA 0.25 µA None of these 250 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: None of these always increases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases None of these always increases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit series RLC circuit operated above its resonant frequency None of these series RC circuit series RL circuit purely resistive circuit series RLC circuit operated above its resonant frequency None of these series RC circuit series RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.2 A None of these 0.3 A 0.6 A 0.4 A 0.2 A None of these 0.3 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
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