GATE2012-35

Question

In the circuit shown, an ideal switch $S$ is operated at $100$ kHz with a duty ratio of $50 \%$. Given that $\Delta i_c$ is $1.6$ A peak-to-peak and $I_0$ is $5$ A dc, the peak current in $S$ is

• A. $6.6$ A
• B. $5.0$ A
• C. $5.8$ A
• D. $4.2$ A