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Electronic Principles

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

volt
None of these
ampere
watt
ohm

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

None of these
Bipolar
Nonlinear
Linear
Active

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Electronic Principles
Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?

0.17 V
20 V
10.17 V
None of these
18.8 V

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Electronic Principles
A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage?

707 V
700 V
651 V
None of these
208 V

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Electronic Principles
A transistor has how many doped regions?

3
4
2
None of these
1

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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?

None of these
0.6 A
0.3 A
0.4 A
0.2 A

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