First slide
Application of p-n junction diode rectifier
Question

In the arrangement shown diodes are ideal. Then current through the 10Ω resistor 

Easy
Solution

When terminal A is positive and B is negative, D1 and D4 conduct and current flows from C to D. In the next half cycle, when A is negative and B is positive D2 and D3 conduct and current flows from C to D. 

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