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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
What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W?

180 degree
26.6 degree
None of these
90 degree
0 degree

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Electronic Principles
When operating below its resonant frequency, a series RLC circuit has the characteristics of a:

series RL circuit
series RC circuit
series RLC circuit operated above its resonant frequency
None of these
purely resistive circuit

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Electronic Principles
The valence electron of a copper atom experiences what kind of attraction toward the nucleus?

Neutral
Impossible to say
None of these
Weak
Strong

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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?

0.3 A
0.2 A
None of these
0.6 A
0.4 A

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