If input in a full-wave rectifier is e = 50 sin 314t volt, diode resistance is 100 Ω and load resistance is 1K Ω then. (1) Pulse frequency output voltage is 100. (2) Input power is 1136 mw (3) Output power is 827 mw (4) Efficiency is 81.2 %
(A) 1, 3
(B) 1, 2
(C) 1, 2, 3
(D) 1,2,3,4
