In 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 _____ $Ω$ .

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Using balanced wheatstone condition in meter bridge R S = 70 30 Given here, R = 5 . 6 kΩ . The, S 30 = 5 . 6 × 10 3 70 S = 3 7 × 5 . 6 × 10 3 = 2400 Ω

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