Mete 58 A metallic conductor at 10 C connected in the left gap of meter bridge gives balancing length 40 cm When the conductor

Question

Mete 58 A metallic conductor at 10 C connected in the left gap of meter bridge gives balancing length 40 cm When the conductor is at 60 C the balancing point shifts by cm temperature coefficient of resistance of the material of the wire is 1 220 C 1 4 8 2 10 3 15 4 7

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