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Electronic Principles

Electronic Principles
Who invented the first junction transistor?

None of these
Gomes
Shockley
Fisher
Smith

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Electronic Principles
A dielectric material is:

a poor conductor of electrostatic fields
None of these
a good insulator
a good conductor
a good conductor of magnetic fields

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Electronic Principles
What is the inductive reactance of a 2-H coil operating at 60 Hz?

754 Ohm
None of these
120 Ohm
60 Ohm
30 Ohm

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Electronic Principles
The saturation point is approximately the same as

None of these
upper end of the load line
lower end of the load line
infinity
cutoff point

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Electronic Principles
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?

Voltmeter
Ammeter
Wattmeter
None of these
Ohmmeter

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Electronic Principles
To get the Thevenin voltage, you have to

Short the voltage source
None of these
Open the voltage source
Open the load resister
Short the load resistor

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