In a meter bridge experiment, for measuring unknown resistance 'S', the null point is obtained at a distance 30 cm from the left side as shown at point D. If R is 5.6 kΩ, then the value of unknown resistance 'S' will be __________ Ω. Numerical answer type. Work it out, then open the answer.

Answer: 2400. S/R = 30/70. S = 5600 × 3/7 = 2400 Ω. S = 2400 Ω.

In a meter bridge experiment, for measuring unknown resistance 'S'… | JEE Main 2022 (27 Jul, Shift 1)

Q51JEE Main 2022 · 27 JUL · SHIFT 1Medium

Wheatstone Bridge & Metre Bridge

In a meter bridge experiment, for measuring unknown resistance 'S', the null point is obtained at a distance $30\text{ cm}$ from the left side as shown at point D. If R is $5.6\text{ k}\Omega$ , then the value of unknown resistance 'S' will be __________ $\Omega$ .

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

Show answer and solution

Answer: 2400

$\dfrac{S}{R} = \dfrac{30}{70}$ .
$S = 5600 \times \dfrac{3}{7} = 2400\ \Omega$ .
$S = 2400\ \Omega$ .

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