Q84 / 90 · JEE Main 2021 (31 Aug Shift 1) · Physics

The voltage drop across $15 Ω$ resistance in the given figure will be _______ $V .$

Correct answer: 6

Solution

equivalent circuit

$i = \frac{12}{6} = 2 A$
$i_{1} = i_{2} = i / 2 = 1 A$
$V_{15 Ω} = i_{1} \times R_{a b} = 1 \times 6 = 6 V$

Hence, the correct answer is 6.

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