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Electronic Principles

Electronic Principles
Which one of the following is most likely used for measuring the rate of electron flow?

Ammeter
Wattmeter
Ohmmeter
Voltmeter
None of these

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Electronic Principles
The direction of conventional current flow is:

from negative to positive
None of these
from left to right
from neutral to positive
from positive to negative

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Electronic Principles
If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

36 V
None of these
40 V
60 V
0 V

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

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

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

volt
ampere
watt
None of these
ohm

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Electronic Principles
If a load resistance is 1 kW, a stiff voltage source has a resistance of

None of these
less than 10 Ohm
At least 10 Ohm
Less than 100 k Ohm
More than 100 k Ohm

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