20) A narrow coil of 10 turns and area 4 x 102 m² is placed in a uniform magnetic field of flux density, B = 102 T, So that the flux links the turns normally. The induced emf in the coil if it is removed completely from the field in 0.5 s is A) 8 x 10°V (B) 2 x 10+V (C) 4 x 103V (D) 4 x 10ʻV

20) A narrow coil of 10 turns and area 4 x 102 m² is placed in a uniform magnetic field of flux density, B = 102 T, So that the flux links the turns normally. The induced emf in the coil if it is removed completely from the field in 0.5 s is A) 8 x 10°V (B) 2 x 10+V (C) 4 x 103V (D) 4 x 10ʻV

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 40P: A coil of 1000 turns encloses an area of 25 cm2. It is rotated in 0.010 s from a position where its...

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An emf is induced by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s 5.00105T magnetic field. What average emf is induced, given the plane of the coil is originally perpendicular to me Earth’s field and is rotated to be parallel to the field in 10.0 ms?
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