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Electronic Principles

Electronic Principles
Who invented the first junction transistor?

Smith
Gomes
None of these
Shockley
Fisher

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

70.7Ohm
60 Ohm
99.3 Ohm
250 Ohm
None of these

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

chemical cell
solar cell
None of these
thermocouple
piezoelectric devices

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Electronic Principles
Reducing the amount of current through an inductor:

multiplies the value of inductance by two
None of these
reduces the value of inductance by one-half
multiplies the value of inductance by four
has no effect on the inductance

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Electronic Principles
The equivalent of 1 kV is:

1000 V
1.00 V
None of these
1000 mV
100 mV

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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?

None of these
Voltmeter
Ammeter
Wattmeter
Ohmmeter

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