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  • A loop whose area is 5 × 10–3m2 and resistance is 10 Ω Magnetic field 0.4 sin (50πt) T is presentperpendicular to loop then induced char

A loop whose area is 5 × 10^–3m ^2 and resistance is 10 Ω. Magnetic field 0.4 sin (50πt) T is present perpendicular to loop then induced charge flow in loop in time t = 0 to t = 10 ms will be

(1) 1 × 10^–4 (2) 3 × 10^–4 (3) 2 × 10^–4 (4) None

Answers (1)

best_answer

q = \frac{\Delta \phi }{R} = \frac{1}{10} \left ( B_{f} - B_{i} \right )A

= \frac{1}{10} \times 3.5 \times 10^{-3} \left [ 0.4 sin 50 \pi \times 10^{-2} -0 \right ]

= 1.4 x 10-4

= 0.14 mc

Posted by

avinash.dongre

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