Q. A DC-DC buck converter operates in continuous conduction mode. It has 48 V input voltage, and it feeds a resistive load of 24 Ω. The switching frequency of the converter is 250 Hz. If switch-on duration is 1 ms, the load power is
(A) 6 W
(B) 12 W
(C) 24 W
(D) 48 W
Ans: 24 W
Solution: