Electronic Principles The total impedance of a parallel RLC circuit: always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 1000 A 100 A None of these 0.1 A 0.41666666666667 1000 A 100 A None of these 0.1 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW None of these 10 mW 300 mW 20 mW 200 mW None of these 10 mW 300 mW 20 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has None of these a few free electrons and holes many free electrons No holes many holes None of these a few free electrons and holes many free electrons No holes many holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Number of lines of force None of these Flux density Magnetomotive force Reluctance Number of lines of force None of these Flux density Magnetomotive force Reluctance ANSWER DOWNLOAD EXAMIANS APP
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