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Electronic Principles

Electronic Principles
An audio transformer has a turn ratio of 9, What is its impedance ratio?

81
None of these
9
6
85

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Electronic Principles
How many types of flow are there in a semiconductor?

2
None of these
1
3

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

None of these
volt
ampere
ohm
watt

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

60 Ohm
70.7Ohm
250 Ohm
99.3 Ohm
None of these

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Electronic Principles
How many protons does the nucleus of a silicon atom contain?

48
None of these
14
29
4

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Electronic Principles
What is the smallest number of polarities required for current flow?

None of these
One - a negative terminal
Three - negative, positive and neutral terminals
Four - two negative and two positive
Two - a negative terminal and a positive terminal

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