Electronic Principles
One henry of inductance is defined as:

None of these
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second
the number of turns of wire in an inductor multiplied by the amount of current flowing through it
the amount of inductance required to change the frequency of a current by 1 Hz
the amount of counter emf required to reduce a current to 1 A

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following phrases most accurately describes a purely inductive circuit?

Combinations of resistance and inductive reactance provide any opposition to current flow
None of these
The ac voltage lags the current by 90 degree
Resistances provide the only opposition to current flow
Inductive reactance provides the only opposition to current flow

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements best applies to a series RLC circuit?

The current waveform for each component always has the same amplitude and phase as the applied current
None of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
The sum of the current is always less than the applied current
All of these

ANSWER DOWNLOAD EXAMIANS APP