As per the given circuit, the value of current through the battery… | JEE Main 2022 (26 Jun, Shift 1)

Q67JEE Main 2022 · 26 JUN · SHIFT 1Medium

P-N Junction Diode

As per the given circuit, the value of current through the battery will be ____________ A.

Numerical answer type. Work it out, then open the answer.

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Answer: 1

With the battery's lower terminal positive, current enters through the $2\ \Omega$ resistor to the bottom-right node.
Path 1: through $D_3$ (forward), $6\ \Omega + 10\ \Omega = 16\ \Omega$ to the upper-left node.
Path 2: through the $10\ \Omega$ resistor, then $D_1$ (forward) and its $6\ \Omega$ : $16\ \Omega$ . $D_2$ is reverse biased and carries no current.
$R_{eq} = 2 + (16 \parallel 16) = 2 + 8 = 10\ \Omega$ .
$I = \frac{10}{10} = 1$ A.

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