The $ r.m.s$. value of an ac of $ 50 Hz$ is $10 amp$. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be
The $ r.m.s$. value of an ac of $ 50 Hz$ is $10 amp$. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be
- A
$2×10^{-2}$ $sec$ and $14.14$ $ amp$
- B
$1 ×10^{-2}$ $sec$ and $7.07$ $ amp$
- C
$5 × 10^{-3}$ $sec$ and $7.07 $ $amp$
- D
$5 × 10^{-3}$ $sec$ and $14.14$ $ amp$
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