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Electronic Principles

Electronic Principles
The basic unit of measurement for current is the:

volt
None of these
ohm
watt
ampere

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Electronic Principles
A device that converts light energy to electrical energy is called a:

None of these
solar cell
photodiode
photo transistor
thermocouple

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Electronic Principles
In a step-down transformer, which is larger?

Secondary voltage
Primary voltage
Impossible to say
Neither
None of these

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Electronic Principles
Doubling the operating frequency of a capacitive circuit:

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

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Electronic Principles
The equivalent of 1 kV is:

None of these
100 mV
1000 V
1.00 V
1000 mV

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Electronic Principles
What form of energy is used to maintain an imbalance of charges between the terminals of a battery?

Mechanical energy
Electronical energy
None of these
Chemical energy
Solar energy

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