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Ohm's law expressed as E = IR...

Ohm's law expressed as E = IR

A

can never be applied to AC

B

applies to AC in the same manner as to DC

C

always applies to AC circuits when Z is substituted for R

D

tells us that ` underset(eff)(E) `= 0.707 (` underset(max)(E) `) for AC

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The correct Answer is:
C
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