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Electronic Principles

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

None of these
generator
solar cell
chemical cell
thermocouple

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Electronic Principles
The rotating coil of wire in an electric motor is called the:

armature
loop
brush
None of these
commutator

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

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

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Electronic Principles
An ideal voltage source has

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

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

170 V
100 V
None of these
120 V
180 V

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Electronic Principles
What is the inductive reactance of a 2-H coil operating at 60 Hz?

None of these
30 Ohm
60 Ohm
754 Ohm
120 Ohm

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