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Electronic Principles

Electronic Principles
What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it?

3 W
6 W
122 W
None of these
64 W

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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?

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

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Electronic Principles
A device that converts chemical energy to electrical energy is called a:

None of these
thermocouple
electric device
chemical cell
solar cell

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Electronic Principles
Most AC power is obtained from:

None of these
generators
batteries
oscillators
lightning

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Electronic Principles
When the graph of current versus voltage is a straight line, the device is referred to as

Bipolar
Nonlinear
Linear
None of these
Active

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Electronic Principles
A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff?

2 k Ohm
1 k Ohm
10 k Ohm
None of these
20 k Ohm

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