The given circuit has two ideal diodes D₁ and D₂ connected as shown… | MHT CET 2022 (11 Aug, Shift 2)

Q63MHT CET 2022 · 11 AUG · SHIFT 2Medium

P-N Junction Diode

The given circuit has two ideal diodes $D_1$ and $D_2$ connected as shown in the figure. The current flowing through the resistance $R_1$ will be

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Answer: (c)

The top terminal of the battery is positive, so current flows through $R_1$ to the top junction.
$D_1$ points down (forward), so the $R_2$ branch conducts; $D_2$ points up (reverse), so the $R_3$ branch is open.
Total resistance $= R_1 + R_2 = 2 + 3 = 5\ \Omega$
$I = \dfrac{10}{5} = 2$ A through $R_1$ .
So the answer is (c) $2$ A.

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