To express \( \mathrm{AC} \) power in the same form as DC power, a ...

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To express \( \mathrm{AC} \) power in the same form as DC power, a special value of current is defined and used, is called
(a) root mean square current \( \left(I_{\mathrm{rms}}\right) \)
(b) effective current
(c) induced current
- (d) Both (a) and (b)
\( \mathrm{P} \)
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