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3.1k views
in Physics by (30.2k points)

Find the equivalent resistance of the network shown in figure (45-E8) between the points A and B.

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1 Answer

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by (52.9k points)

Let the potentials at A and B be VA and VB respectively.

i) If VA > VB

Then current flows from A to B and the diode is in forward biased.

Eq. Resistance = 10/2 = 5Ω.

ii) If VA < VB

 Then current flows from B to A and the diode is reverse biased.

Hence Eq.Resistance = 10Ω.

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