A closed coil consists of 500 turns on a rectangular frame of area… | MHT CET 2026 (12 May, Shift 2)

Q17MHT CET 2026 · 12 MAY · SHIFT 2Medium

Magnetic Flux & Faraday's Law

A closed coil consists of $500$ turns on a rectangular frame of area $4.0$ cm $^{2}$ and has a resistance of $50\ \Omega$ . The coil is kept with its plane perpendicular to a uniform magnetic field of $0.2$ T. The amount of charge flowing through the coil if it is turned through $180^\circ$ will be $1.6 \times 10^{-x}$ C. The Value of $x$ is

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Answer: (c)

Turning through $180^\circ$ : $\Delta\phi = 2NBA = 2 \times 500 \times 0.2 \times 4 \times 10^{-4} = 0.08$ Wb.
$q = \frac{\Delta\phi}{R} = \frac{0.08}{50} = 1.6 \times 10^{-3}$ C
So $x = 3$ , answer (c).

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Magnetic Flux & Faraday's Law question from MHT CET 2026 (12 May, Shift 2)

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