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QJEEM22Phe970: JEE Main 2022 Physics - Class 12 JEEM22Phe970 Solution: In a meter bridge experiment, for measuring unknown resistance…

In a meter bridge experiment, for measuring unknown resistance 'S', the null point is obtained at a distance 30 cm30 \mathrm{~cm} from the left side as shown at point D. If R is 5.65.6 kΩ\mathrm{k} \Omega , then the value of unknown resistance 'S' will be __________ Ω\Omega .

JEE Main 2022 (Online) 27th July Morning Shift Physics - Current Electricity Question 119 English

Step-by-Step Verified Solution

RS=7030{R \over S} = {{70} \over {30}}

S=37×5.6×103=2.4×103 ΩS = {3 \over 7} \times 5.6 \times {10^3} = 2.4 \times {10^3}\,\Omega

=2400 Ω= 2400\,\Omega

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