Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 20 mW 200 mW None of these 300 mW 10 mW 20 mW 200 mW None of these 300 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 10.3 µA 7.8 µA 7.75 µA 14.8 µA None of these 10.3 µA 7.8 µA 7.75 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms peak both the voltage and current waveforms None of these round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms peak both the voltage and current waveforms None of these round off both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these has no effect on the current through the inductors cuts the current through the inductors one-half doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these has no effect on the current through the inductors cuts the current through the inductors one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a poor conductor of electrostatic fields a good conductor of magnetic fields None of these a good conductor a good insulator a poor conductor of electrostatic fields a good conductor of magnetic fields None of these a good conductor a good insulator ANSWER DOWNLOAD EXAMIANS APP
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