1.

Due to centre tap Vm=400/2=200) IRMS=198/√2=140mA, IAVG=2*198/ π=126mA. ϒ=[(140/126)2-1]1/2=0.48. So, ϒ=48%.

A. 0.623
B. 0.678
C. 0.693
D. 0.625
Answer» D. 0.625


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