Electronic Principles
Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?

0.17 V
20 V
None of these
10.17 V
18.8 V

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements is true for the voltage in a parallel RL circuit?

The total voltage lags the total current by less than 90
None of these
The total voltages is less than the sum of the voltages across the resistance and inductance
The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is equal to the sum of the voltages across the resistance and inductance

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
For a pure capacitor:

ac current leads the voltage by 90 degree
None of these
ac current and voltage are exactly in phase
ac current lags the voltage by 90 degree
ac current is converted to dc voltage

ANSWER DOWNLOAD EXAMIANS APP