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Electronic Principles

Electronic Principles
How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?

0.02 A
2.02 A
None of these
0.41666666666667
0.955 A

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Electronic Principles
When the graph of current versus voltage is a straight line, the device is referred to as

Linear
Bipolar
None of these
Nonlinear
Active

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Electronic Principles
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:

rotor
commutator
battery
None of these
armature

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Electronic Principles
What is the barrier potential of a silicon diode at room temperature?

1 V
None of these
0.7V
0.3V
2 m V per degree Celsius

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

Impossible to say
Neither
Secondary voltage
Primary voltage
None of these

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Electronic Principles
The equivalent of 1 megohms is:

100,000 ohm
1 k ohm
None of these
one million ohms
one-millionth of an ohm

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