A rectangular coil of 100 turns of length 40 cm and breadth 20 cm carrying a current of 10 A is placed making a angle of `60^@` with a magnetic field of 5T:- Would the answer change of the rectangular coil is replaced by a planar coil of some irregular shape that encloses the same area? All other particular are also unaltered.

A rectangular coil of 100 turns of length 40 cm and breadth 20 cm carrying a current of 10 A is placed making a angle of 60^@ with a magnetic field of 5T:- Calculate the magnitude of the counter torque, that must be applied to prevent the coil from turning.

(a) A circular coil of 30 turns and radius 8.0 cm carrying a current of 6.0 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.0 T. The field lines make an angle of 60 ^@ with the normal of the coil. Calculate the magnitude of the counter torque that must be applied to prevent the coil from turning. (b) Would your answer change, if the circular coil in were replaced by a planar coil of some irregular shape that encloses the same area? (All other particulars are also unaltered.)

A rectangular coil of 500 turns with an average area per turn 4.00 cm^(2) carries a current of 0.2 A. The coil is placed at an angle of 60^(@) with the direction of magnetic induction of 10^(-3) Wb//m^(2) . The torque acting on the coil is

A circular coil of 500 turns and area of 0.5 cm^2 carries a current of 10 A. The magnetic moment associated with it_______.

A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1 A . It is placed in a uniform magnetic field B=0.5 T with the direction of magnetic field parallel to the plane of the coil. The magnitude of the torque required to hold this coil in this position is

A rectangular coil has 100 turns has length 5 cm and breadth 2 cm. It is suspended in radial magnetic field of induction 0.1 Wb//m^(2) . If a current of 100 muA is passed through the coil, then the torque acting on the coil is

A rectangular coil of 25 turns, area of 25 cm^2 and resistance of 4 ohm//turn is placed perpendicular to a varying magnetic field, which changes at the rate of 500 T//s . The induced current in the coil is

A rectangular coil of 20 turns and area of cross section 25 sqcm has a resistance of 100 ohm. If a magnetic field which is perpendicular to the plane of the coil changes of the rate of 1000 tesla per second, the current in the coil is?

A circular coil of 30 turns and radius 8.0 cm carrying a current of 6.0 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.0 T. The field lines make an angle of 60^@ with the normal of the coil. Calculate the magnitude of the counter torque that must be applied to prevent the coil from turning.

A circular coil of 16 turns and radius 10 cm carrying a current of 0.75 A rests with its plane normal to an external field of magnitude 5.0 xx 10^-2 T .The coil is free to turn about an axis in its plane perpendicular to the field direction. .When the coil is turned slightly and released, it oscillates about its stable equilibrium with a frequency of 2.0 s^-1 . What is the moment of inertia of the coil about its axis of rotation?