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JEE Mains 30-Jan-2023 Shift 1 Solved Paper

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Question : 9

Total: 90

A massless square loop, of wire of resistance 10Ω. supporting a mass of I g. hangs vertically with one of its sides in a uniform magnetic field of 103G, directed outwards in the shaded region. A dc voltage V is applied to the loop. For what value of V. the magnetic force will exactly balance the weight of the supporting mass of 1g ?
(If sides of the loop =10‌cm,g=10ms−2 )

[30-Jan-2023 Shift 1]

‌
1
10
V
100V
1V
10V

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