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Electronic Principles

Electronic Principles
What is the algebraic sum of this series of values:+2, -3, -6,+4?

-3
None of these
2
-6

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

parallel RL circuit
parallel RC circuit
None of these
parallel RLC circuit operated above its resonant frequency
purely resistive circuit

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Electronic Principles
Holes act like:

Atoms
None of these
Positive charges
Crystals
Negative charges

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

cuts the capacitive reactance in half
None of these
multiplies the capacitive reactance by 7
has no effect on the capacitive reactance
doubles the amount of capacitive reactance

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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?

89.3 ohm
77.7 ohm
224 ohm
88.8 ohm
None of these

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Electronic Principles
A device that converts mechanical into electrical energy is?

generator
solar cell
chemical cell
thermocouple
None of these

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