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

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

ANSWER DOWNLOAD EXAMIANS APP

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

The total voltage of a parallel circuit is the same as the voltages across each branch
The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit
The total voltage in a parallel circuit is always less than the value of the smallest voltage
The total voltage in a parallel circuit is equal to the average value of the individual voltages
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The rms value of a sine waveform is:

None of these
equal to 1.41 times the peak amplitude
the time required to complete one full cycle
the number of cycles completed in one second
equal to 0.707 times the peak amplitude

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements is true for the voltages in a series RC circuit?

The total voltage is less than the sum of the voltages across the resistance and capacitance
The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is greater than the sum of the voltages across the resistance and capacitance
None of these
The total voltage is equal to the sum of the voltages across the resistance and capacitance

ANSWER DOWNLOAD EXAMIANS APP