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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?

None of these
122 W
6 W
3 W
64 W

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Electronic Principles
The valence electron of a copper atom experiences what kind of attraction toward the nucleus?

None of these
Strong
Weak
Neutral
Impossible to say

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Electronic Principles
Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff?

None of these
30 Ohm
10 Ohm
20 Ohm
100 Ohm

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

thermocouple
piezoelectric devices
solar cell
None of these
chemical cell

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Electronic Principles
The basic unit of measurement for resistance is the:

watt
None of these
volt
ohm
ampere

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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
0.24 W
325 kW
None of these
80 W

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