A full wave p-n diode rectifier uses a load resistance of 1300Ω. No filter is used. If the internal resistance of each diode is 9Ω, then the efficiency of this full wave rectifier is
80.64%
40.6%
13.9%
100%
A
40.6%
B
100%
C
80.64%
D
13.9%
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Solution
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The efficiency η of full wave rectifier is given by: η=0.812RLrf+RL
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