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Electronic Principles

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

Ammeter
Wattmeter
None of these
Ohmmeter
Voltmeter

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Electronic Principles
A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode?

None of these
55.86 A
18.2 mA
16.3 mA
55 A

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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?

Ammeter
Voltmeter
Wattmeter
Ohmmeter
None of these

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Electronic Principles
When the graph of current versus voltage is a straight line, the device is referred to as

None of these
Active
Linear
Bipolar
Nonlinear

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Electronic Principles
Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage?

180 V
100 V
120 V
None of these
170 V

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?

77.7 ohm
None of these
224 ohm
89.3 ohm
88.8 ohm

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