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Electronic Principles

Electronic Principles
Who invented the first junction transistor?

Gomes
Smith
Shockley
Fisher
None of these

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Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?

P = E2/R
P = IE
None of these
P = I2R
I = P/E

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Electronic Principles
Inductive reactance is measured in units of:

amperes per second
volts per second
None of these
Ohm
henrys

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

volt
ampere
watt
None of these
ohm

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Electronic Principles
What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?

690 ohm
445 ohm
None of these
150 ohm
220 ohm

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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?

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

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