Alternating Current - Result Question 6

6. The r.m.s. value of potential difference $V$ shown in the figure is

(a) $V_0$

(b) $V_0 / \sqrt{2}$

(c) $V_0 / 2$

(d) $V_0 / \sqrt{3}$

[2011M]

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Answer:

Correct Answer: 6. (b)

Solution:

(b) $V _{rms}=\sqrt{\frac{(T / 2) V_0{ }^{2}+0}{T}}=\frac{V_0}{\sqrt{2}}$.