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Electronic Principles

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

None of these
thermocouple
photo transistor
solar cell
photodiode

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Electronic Principles
Doubling the number of turns of wire in an inductor:

multiplies the value of inductance by four
None of these
reduces the value of inductance by one-half
multiplies the value of inductance by two
reduces the value of inductance by one-fourth

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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
Chemical energy
Electronical energy
None of these
Solar energy

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Electronic Principles
1 Microfarad is the same as:

1 millionth of a picofarad
None of these
1 million picofarads
1000 millifarads
1 million farads

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Electronic Principles
Current can flow through a normally open push button switch as long as:

its contact remain open
you are not pressing the button
you are pressing the button
None of these
its contact remain open

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

thrice the amount of total current
has no effect on the total circuit current
doubles the amount of total current
cuts the total current by one-half
None of these

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