The torque required to hold a small circular coil of 10 turns, area `1mm^(2)` and carrying a current of `((21)/(44))A` in the middle of a long solenoid of `10 ^(3)"turns"//"m"` carrying a current of 2.5A, with its axis perpendicular to the axis of the solenoid is

The torque required to hold a small circular coil of 10 turns ,area 1 mm^(2) and crying a current of ((21)/(44)) A in the middle of a long solenoid of 10^(3) turns/m carrying a current of 2.5 A, with its axis perpenducular to the axis of the solenoid is

Find magnetic flux density at a point on the axis of a long solenoid having 5000 turns/m when it carrying a current of 2 A

A long solenoid of 50 cm length having 100 turns carries a current of 2.5A. The magnetic field at centre of solenoid is:

A long solenoid of 50 cm length having 100 turns carries a current of 2.5A. The magnetic field at centre of solenoid is:

A long solenoid has 200 turns per cm and carries a current of 2.5A. The magnetic field at its centre 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 circular coil of 1 turn and area 0.01m^(2) carries a current of 10A . It is placed in a uniform magnetic field of induction 0.1 tesla such that the plane of the circle is perpendicular to the direction of the field, the torque acting on the coil is

A solenoid of length 0.4 m and having 500 turns of wire carries a current of 3 amp. A thin coil having 10 turns of wire and of radius 0.01 m carries a current of 0.4 amp. The torque (in Nm) required to hold the coil in the middle of the solenoid with its axis perpendicular to the axis of the solenoid is ( mu_(0) = 4pi xx 10^(-7) V-s/A-m)