Verified Solution • 2025–26 Session moderate

QPage 329: Q9: HC Verma: Concepts of Physics - Volume 2 Alternating Current Page 329: Q9 Solution: An alternating current is given by . The rms current is given by

An alternating current is given by

i = i_1 \cos \omega t + i_2 \sin \omega t

. The rms current is given by

Multiple Choice Options

A $i_1+i_2)/\sqrt{2}$
B $|i_1+i_2|/\sqrt{2}$
C $\sqrt{i_1^2+i_2^2}/2$
D $\sqrt{i_1^2+i_2^2}/\sqrt{2}$

Step-by-Step Verified Solution

**Answer:** (d) �(i__ + i__)/�2. **Step-by-Step Explanation:** The rms value of i = i_cos_t + i_sin_t is �((i__ + i__)/2).

All Questions in this Chapter

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