Question

A centre tapped transformer is rated 12-0-12 V. The peak voltage obtained is

• A. 12 V
• B. $\frac{12}{\sqrt{2}}V$
• C. $12\sqrt{2}V$
• D. $24V$
• E. $24\sqrt{2}V$

Answer 1

The correct option is C $12\sqrt{2}V$

$V_{rms}=12\text{V}$

$V_p=V_{rms}\sqrt{2}$
$=12\sqrt{2}\text{V}$