Electronic Principles
The Thevenin resistance is equal in value to the

Open-load resistance
Internal resistance of a Morton circuit
Half the load resistance
None of these
Load resistance

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

round off both the voltage and current waveforms
peak the current and round off the voltage waveforms
None of these
peak the voltage and round off the current waveforms
peak both the voltage and current waveforms

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The period of a waveform is:

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
In a pure inductor:

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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP