Electronic Principles
Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff?

100 Ohm
50 Ohm or more
None of these
5 Ohm
6 Ohm

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The rms value of a sine waveform is:

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Like magnetic poles repel; unlike poles attract
Current flowing through a conductor generates a magnetic field
None of these
Like magnetic poles attract; unlike poles repel
Current is induced in a conductor that is moving through a magnetic field

ANSWER DOWNLOAD EXAMIANS APP