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Impedance

12 practice questionsElectric CircuitsStep-by-step solutions

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1

In AC analysis, impedance generalizes resistance by including what?

A.Phase effects from capacitance and inductance
B.Only wire color
C.Only DC battery voltage
D.Only mechanical friction
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2

The magnitude of the impedance of an ideal inductor of inductance L at angular frequency ฯ‰ is:

A.ฯ‰L
B.1/(ฯ‰L)
C.ฯ‰C
D.R
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3

The inductive reactance of a coil is given by XL =:

A.2ฯ€fL
B.1/(2ฯ€fL)
C.2ฯ€fC
D.R/L
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