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Electronic Principles

Electronic Principles
Which one of the following devices is most often used for measuring electrical potential difference?

Voltmeter
None of these
Wattmeter
Ohmmeter
Ammeter

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Electronic Principles
When operating above its resonant frequency, a series RLC circuit has the characteristics of a:

series RC circuit
series RLC circuit operated below its resonant frequency
purely resistive circuit
series RL circuit
None of these

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Electronic Principles
If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point

up
nowhere
None of these
down
off the load line

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Electronic Principles
An intrinsic semiconductor has some holes in it at room temperature. What causes these holes?

Free electrons
Doping
None of these
Thermal energy
Valence electrons

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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
220 ohm
None of these
445 ohm
150 ohm

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Electronic Principles
Which one of the following is most likely used for measuring the rate of electron flow?

None of these
Ohmmeter
Voltmeter
Ammeter
Wattmeter

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