In the Figures (a) and (b) shown below, the transformers are identical and ideal, except that the transformer in Figure (b) is centre-tapped. Assuming ideal diodes
Q. In the Figures (a) and (b) shown below, the transformers are identical and ideal, except that the transformer in Figure (b) is centre-tapped. Assuming ideal diodes, the ratio of the root- mean-square (RMS) voltage across the resistor ๐ in Figure (a) to that in Figure (b) is
(A) โ2:1
(B) 2:1
(C) 2โ2:1
(D) 4:1
Ans: 2:1
Sol: