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Electronic Principles

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

volt
None of these
watt
ohm
ampere

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Electronic Principles
A typical light switch in your home is a:

momentary push button switch
toggle switch
None of these
rotary switch
knife switch

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Electronic Principles
A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

16 V
3 V
8 V
None of these
7.5 V

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

multiplies the capacitive reactance by 7
cuts the capacitive reactance in half
has no effect on the capacitive reactance
doubles the amount of capacitive reactance
None of these

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Electronic Principles
The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current?

17.5 mA
1.75 mA
None of these
175 mA
1750 mA

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Electronic Principles
Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current?

0.6 A
0.4 A
0.3 A
0.2 A
None of these

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