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Electronic Principles

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

None of these
ohm
volt
watt
ampere

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Electronic Principles
Thevenin theorem replaces a complicated circuit facing a load by an

Ideal voltage source and series resistor
None of these
Ideal current source and parallel resistor
Ideal voltage source and parallel resistor
Ideal current source and series resistor

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Electronic Principles
A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding?

50 A
None of these
20 A
0.20833333333333

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Electronic Principles
Which one of the following kinds of materials has the highest permeability?

A ferromagnetic material
None of these
All of these
A diamagnetic material
A paramagnetic material

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

None of these
solar cells
piezoeletric cells
voltage generators
chemical cells

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Electronic Principles
The equivalent of 1 micro A is:

one million amperes
10000A
one-millionth of an ampere
1000 A
None of these

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