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Electronic Principles

Electronic Principles
A battery is a device composed of one or more:

piezoeletric cells
chemical cells
solar cells
voltage generators
None of these

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Electronic Principles
What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm

None of these
75 degree
180 degree
45 degree
30 degree

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?

Permeance
Retentivity
There is no valid comparison
Permeability
Reluctance

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Electronic Principles
What kind of battery is most likely included in a cordless electric knife?

Lead-acid battery
Mercury-cell battery
Nicad battery
None of these
Zinc-carbon battery

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Electronic Principles
If the base supply voltage increases, the Q point moves

up
off the load line
nowhere
None of these
down

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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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