Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW 300 mW 10 mW None of these 20 mW 200 mW 300 mW 10 mW None of these 20 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals None of these reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? None of these 180 degree 90 degree 26.6 degree 0 degree None of these 180 degree 90 degree 26.6 degree 0 degree 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? 300 µA 250 µA 350 µA None of these 0.25 µA 300 µA 250 µA 350 µA None of these 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Impossible to say Equals the number of holes Is greater than the number of holes None of these Is less than the number of holes Impossible to say Equals the number of holes Is greater than the number of holes None of these Is less than the number of 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 Magnetomotive force Flux density Reluctance Number of lines of force None of these Magnetomotive force Flux density Reluctance ANSWER DOWNLOAD EXAMIANS APP
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