An ideal coil of $10H$ is connected in series with a resistance of $5\Omega $ and a battery of $5V$. $2$ second after the connection is made, the current flowing in ampere in the circuit is
$\left( {1 - {e^{ - 1}}} \right)$
$\left( {1 - e} \right)$
$e$
${{e^{ - 1}}}$
Solution
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