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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
At very low frequencies a series R-C circuit behaves as almost purely

None of the listed here
Resistive
Inductive
Capacitive

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AC Fundamentals, Circuit and Circuit Theory
Wire-wound resistors are unsuitable for use at high frequencies because they

Consume more power
Create more electrical noise
Are likely to melt under excessive eddy current heat
Exhibit unwanted inductive and capacitive effects

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AC Fundamentals, Circuit and Circuit Theory
The double energy transient occur in the

R-L circuit
R-L-C circuit
R-C circuit
Purely inductive circuit

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AC Fundamentals, Circuit and Circuit Theory
The safest value of current the human body can carry for more than 3 second is

4 mA
5 mA
15 mA
9 mA

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AC Fundamentals, Circuit and Circuit Theory
Skin effect occurs when a conductor carries current at _________ frequencies.

High
Low
Medium
Very low

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AC Fundamentals, Circuit and Circuit Theory
A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to

None of the listed here
Average voltage
R.m.s. voltage
Peak voltage

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