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Electronic Principles

Electronic Principles
Who invented the first junction transistor?

Gomes
Shockley
None of these
Fisher
Smith

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Electronic Principles
How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?

2.02 A
0.955 A
None of these
0.02 A
0.41666666666667

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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
64 W
None of these

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Electronic Principles
For normal operation of the transistor, the collector diode has to be

Forward-biased
Operating in the breakdown region
Nonconducting
Reverse-biased
None of these

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Electronic Principles
What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz?

None of these
312 Ohm
less than 1 Ohm
1590 Ohm
690 Ohm

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Electronic Principles
Most AC power is obtained from:

oscillators
batteries
None of these
lightning
generators

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