Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

has no effect on the current through the inductors
increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
doubles the amount of current through the inductors
None of these
cuts the current through the inductors one-half

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
What is a free electron?

None of these
An electron that has been freed from its parent atom
An electron that costs nothing
An electron that has twice the amount of charge of a normal electron
An electron that has no electrical charge

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 is equal to the sum of the currents through the resistance and inductance
The total current leads the total voltage by less than 90
None of these

ANSWER DOWNLOAD EXAMIANS APP