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Find the current through resistance in the circuit.

$(a)\;0 A \\ (b)\;0.1 A \\ (c)\;5 A \\ (d)\;0.2A $
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When one of the diode is forward biased and other is reserved biased current flows through the forward biased diode with zero resistance.
$\therefore $ current $I = \large\frac{V}{R} =\large\frac{10 v}{2r}$
$\qquad= 5A$
Hence c is the correct answer.
answered Jan 28, 2014 by meena.p

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