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? 0.25 µA 250 µA None of these 300 µA 350 µA 0.25 µA 250 µA None of these 300 µA 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these Infinite internal resistance A load dependent voltage A load-dependent current Zero internal resistance None of these Infinite internal resistance A load dependent voltage A load-dependent current Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons Only those produced by thermal energy Same number as free electrons None of these many less than the free electrons Only those produced by thermal energy Same number as free electrons None of these many 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? 0.3 A 0.4 A 0.2 A None of these 0.6 A 0.3 A 0.4 A 0.2 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
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