Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases Decreases Stays the same 0oC None of these Increases Decreases Stays the same 0oC None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half has no effect on the inductance None of these multiplies the value of inductance by four multiplies the value of inductance by two reduces the value of inductance by one-half has no effect on the inductance None of these multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current collector current supply current None of these emitter current base current collector current supply current None of these emitter current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltages is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 None of these The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 None of these The total voltage is equal to the sum of the voltages across the resistance and inductance 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? 250 µA 300 µA None of these 350 µA 0.25 µA 250 µA 300 µA None of these 350 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 312 Ohm None of these 690 Ohm 1590 Ohm less than 1 Ohm 312 Ohm None of these 690 Ohm 1590 Ohm less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP