Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
The actual frequency of a sine waveform is 1.41 times the working frequency
The longer the period of a waveform, the lower its frequency
None of these
The higher the amplitude of a waveform, the higher its frequency

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The total impedance of a parallel RLC circuit:

is maximum at the resonant frequency
always decreases as the applied frequency increases
None of these
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
always increases as the applied frequency increases

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The period of a waveform is:

the number of cycles completed in one second
None of these
the time required for the voltage to rise from 10% to 90% of the peak amplitude
equal to 0.707 times the peak amplitude
the time required to complete one full cycle

ANSWER DOWNLOAD EXAMIANS APP