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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?

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

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Electronic Principles
Reducing the amount of current through an inductor:

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

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Electronic Principles
Most AC power is obtained from:

lightning
generators
oscillators
None of these
batteries

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Electronic Principles
Positive ions are atoms that have

None of these
Lost a proton
Gained a proton
Lost an electron
Gained an electron

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Electronic Principles
How may valence electrons does a silicon atom have?

2
None of these
1
4

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Electronic Principles
How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?

0.625 W
325 kW
80 W
0.24 W
None of these

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