Electronic Principles Holes act like: Atoms None of these Positive charges Crystals Negative charges Atoms None of these Positive charges Crystals Negative charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: 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 multiplies the value of inductance by two 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? 0.25 µA 300 µA 350 µA 250 µA None of these 0.25 µA 300 µA 350 µA 250 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Reluctance Number of lines of force None of these Flux density Magnetomotive force Reluctance Number of lines of force None of these Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RLC circuit operated above its resonant frequency None of these parallel RC circuit purely resistive circuit parallel RL circuit parallel RLC circuit operated above its resonant frequency None of these parallel RC circuit purely resistive circuit parallel RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases None of these is minimum at the resonant frequency always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases None of these is minimum at the resonant frequency always increases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP