Electronic Principles
Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode

11 mA
10 mA
12 mA
14 mA
None of these

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
In a pure inductor:

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

ANSWER DOWNLOAD EXAMIANS APP