A rectangular coil of dimensions 40 cm x...

A rectangular coil of dimensions `40 cm xx25 cm `having 1000 turns rotates in a uniform magnetic field of strength` 0.08 Wbm^(-2)` about an axis perpendicular to the field. If the coil makes 300 revolution per minute, find the instantaneous emf when the plane of the coil make and angle of `90^(@)` with the magnetic lines of force.

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A rectangular coil of dimensions 40 cm xx25 cm having 1000 turns rotates in a uniform magnetic field of strength 0.08 Wbm^(-2) about an axis perpendicular to the field. If the coil makes 300 revolution per minute, find the instantaneous emf when the plane of the coil make and angle of 45^(@)

A rectangular coil of dimensions 0.1 mxx0.5 m consisting of 2000 turns rotates about and axis parallel to its long side, making 2100 revolutions per minute in a field of 0.1 T. What is the maximum emf indcuced in the coil? Also find the instantaneous emf, when the coil is 30^(@) to the field.

A rectangular coil 25 cm xx 10 cm and having 700 turns rotates about an axis at right angles to a magnetic field of 20 gauss at 1,500revolutions per minute. Calculate the maximum vlaue of the e.m.f. generated in the coil.

A rectangular frame of wire of 25 cm xx 15 cm is placed in a uniform electric field of strength 2xx10^4N/C , such that the plane of the coil is normal to field. Find the electric flux linked with the rectangular frame.

A circular coil of 50 turns and radius 0.2 cm carries a current of 12 A. Find magnetic field at the centre of the coil.

A closely wound rectangular coil of 200 turns and size 0.3 m xx 0.1 m is rotating in a magnetic field of induction 0.005 Wb m^-2 with a frequency of 1,800 r.p.m. about an axis normal to the field. Calculate the maximum value of induced e.m.f.

Calculate the torque on a 100 turn rectangular coil of length 40 cm and breadth 20 cm, carrying a current of 10 A, when placed making an angle of 60^@ with a magnetic field of 5 T

A rectangular coil of n turns and area A is held in a uniform magnetic field B. If the coil is rotated at a steady angular velocity omega ,duduce an expression for induced emf in the coil at any instant of time

A 100 turn coil of area 0.1 m^(2) rotates at half a revolution per second. It is placed in a magnetic field of 0.01 T perpendicular to the axis of rotation of the coil. Calculate the maximum voltage generated in the coil.

A circular coil of 25 turns and radius of 12 cm is placed in a uniform magnetic field of 0.5 T normal to the plane of coil. If the current in the coil is 5 A, then total torque experienced by the coil.

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