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Electronic Principles

Electronic Principles
What is the turns ratio for the transformer specified in the above question?

None of these
0.707
0.575
1.5
10.738

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Electronic Principles
A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff?

100 Ohm or more
50 Ohm
60 Ohm
None of these
10 Ohm

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

supply current
base current
collector current
None of these
emitter current

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Electronic Principles
If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

0 V
60 V
36 V
40 V
None of these

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Electronic Principles
Thevenin theorem replaces a complicated circuit facing a load by an

Ideal voltage source and series resistor
None of these
Ideal current source and series resistor
Ideal voltage source and parallel resistor
Ideal current source and parallel resistor

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Electronic Principles
How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?

0.625 W
None of these
80 W
0.24 W
325 kW

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