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Electronic Principles

Electronic Principles
Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage?

120 V
100 V
180 V
None of these
170 V

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Electronic Principles
What is the inductive reactance of a 2-H coil operating at 60 Hz?

120 Ohm
30 Ohm
754 Ohm
None of these
60 Ohm

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

0 V
36 V
60 V
40 V
None of these

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

8 V
7.5 V
None of these
15 V
16 V

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?

Permeability
There is no valid comparison
Retentivity
Reluctance
Permeance

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