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Each of the resistances shown in figure (45-E2) has a value of 20Ω. Find the equivalent resistance between A and B.

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Each of the resistances shown in figure (45-E2) has a value of 20Ω. Find the equivalent resistance between A and B. Does it depend on whether the point A or B is at higher potential ?

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1 Answer

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From the figure :

According to wheat stone bridge principle, there is no current through the diode.

Hence net resistance of the circuit is 40/2=20Ω

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