Modern Physics 6 Question 35

40. For the given circuit shown in figure to act as full wave rectifier, the AC input should be connected across the DC out put would appear across

(1991, 1M)

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Solution:

  1. In one half cycle when B is at higher potential then, D4 and D2 are forward biased and current follows the path BD4MND2DB.

In the second half cycle when D is at higher potential, D3 and D1 are forward biased. Hence, current follows the path DD3MND1BD. In both the cycles we see that current through the resistance is from M to N, i.e., the given circuit behaves as full wave rectifier.



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