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Electronic Principles

Electronic Principles
What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz?

1590 Ohm
690 Ohm
None of these
less than 1 Ohm
312 Ohm

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Electronic Principles
An ideal voltage source has

Infinite internal resistance
A load-dependent current
Zero internal resistance
A load dependent voltage
None of these

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Electronic Principles
The total impedance of a series RLC circuit:

is maximum at the resonant frequency
None of these
is minimum at the resonant frequency
always increases as the applied frequency increases
always decreases as the applied frequency increases

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

Nonlinear
Bipolar
None of these
Linear
Active

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Electronic Principles
A basic capacitor is composed of:

two coils separated by a conductor
two coils separated by a dielectric
None of these
two conductors separated by a dielectric
two dielectrics separated by a conductor

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Electronic Principles
Doubling the operating frequency of a capacitive circuit:

multiplies the capacitive reactance by 6.28
has no effect on the capacitive reactance
None of these
doubles the amount of a capacitive reactance
cuts the capacitive reactance in half

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