A current through 1 Ω resistance in the following circuit is (a) 1.8 A (b) 1.2 A (c) 1.5 A (d) 1 A

Answer: (c). 5/1 = (12.5)/(2.5) = 5, so the bridge is balanced and G carries no current. Path PQR: 5 + 1 = 6 Ω; path PSR: 12.5 + 2.5 = 15 Ω. I1Ω = 2.1 × (15)/(6 + 15) = 1.5 A So the answer is (c) 1.5 A.

A current through 1 Ω resistance in the following circuit is | MHT CET 2021 (21 Sep, Shift 2)

Q119MHT CET 2021 · 21 SEP · SHIFT 2Medium

Kirchhoff's Laws & Measuring Instruments

A current through 1 $\Omega$ resistance in the following circuit is

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Answer: (c)

$\frac{5}{1} = \frac{12.5}{2.5} = 5$ , so the bridge is balanced and G carries no current.
Path PQR: $5 + 1 = 6\ \Omega$ ; path PSR: $12.5 + 2.5 = 15\ \Omega$ .
$I_{1\Omega} = 2.1 \times \frac{15}{6 + 15} = 1.5$ A
So the answer is (c) 1.5 A.

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Kirchhoff's Laws & Measuring Instruments question from MHT CET 2021 (21 Sep, Shift 2)

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