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Electronic Principles

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

100 V
180 V
120 V
170 V
None of these

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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?

None of these
60 Ohm
99.3 Ohm
250 Ohm
70.7Ohm

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

Ohmmeter
Ammeter
Wattmeter
None of these
Voltmeter

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Electronic Principles
The total impedance of a series RLC circuit:

always increases as the applied frequency increases
is minimum at the resonant frequency
always decreases as the applied frequency increases
is maximum at the resonant frequency
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

down
None of these
nowhere
off the load line
up

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Electronic Principles
Doubling the operating frequency of a purely capacitive circuit:

has no effect on the total circuit current
cuts the total current by one-half
thrice the amount of total current
None of these
doubles the amount of total current

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