CAPE Physics Unit 2 · 2016 · Paper 1 · Question Q17

The peak potential difference of a certain a.c. supply is 24\text{ V}. What is the root mean square (r.m.s.) value?

1. (A)6\text{ V}
2. (B)17\text{ V}
3. (C)24\text{ V}
4. (D)34\text{ V}