Electronic Principles
The current gain of a transistor is defined as the ratio of the collector current to the

supply current
None of these
emitter current
base current
collector current

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The peak value of a sine waveform is:

the maximum positive or negative value
None of these
the amplitude at 90% of the maximum value
the amplitude at 70.7% of the maximum value
the amplitude at 1.41 times the maximum value

ANSWER DOWNLOAD EXAMIANS APP