Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 300 mW None of these 20 mW 10 mW 200 mW 300 mW None of these 20 mW 10 mW 200 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Reluctance There is no valid comparison Permeance Retentivity Permeability Reluctance There is no valid comparison Permeance Retentivity Permeability ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V None of these 0.7V 2 m V per degree Celsius 0.3V 1 V None of these 0.7V 2 m V per degree Celsius 0.3V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half thrice the amount of total current has no effect on the total circuit current doubles the amount of total current None of these cuts the total current by one-half thrice the amount of total current has no effect on the total circuit current doubles the amount of total current 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? 0.1 A 100 A 0.41666666666667 1000 A None of these 0.1 A 100 A 0.41666666666667 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP