Electronic Principles
Doubling the operating voltage of a purely capacitive circuit:

cuts the capacitive reactance in half
multiplies the capacitive reactance by 7
None of these
doubles the amount of capacitive reactance
has no effect on the capacitive reactance

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The rms value of a sine waveform is:

None of these
the time required to complete one full cycle
equal to 1.41 times the peak amplitude
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 current flowing in a series circuit?

The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
The same current flows through every part of a series circuit
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following phrasers best describes flux density?

None of these
The concentration of lines of magnetic force
The rate of change of the number of lines of magnetic force
The opposition to a build-up of magnetic fields
The force that maintains lines of force

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electronic Principles