A closely wound solenoid of 800 turns and area of cross section `2.5 xx 10^-4 m^2` carries a current of 3.0 A. Explain the sense in which the solenoid acts like a bar magnet. What is its associated magnetic moment ?

A closely wound solenoid of 2000 turns and area of cross-section 1.6 xx 10^-4 m^2 ,carrying a current of 4.0 A,is suspended through its centre allowing it to turn in a horizontal plane. What is the magnetic moment associated with the solenoid ?

A closely wound solenoid of 2000 turns and area of cross-section 1.6 xx 10^-4 m^2 ,carrying a current of 4.0 A,is suspended through its centre allowing it to turn in a horizontal plane. What are the force and torque on the solenoid if a uniform horizontal magnetic field of 7.5 xx 10^-2 T is set up at an angle of 30^@ with the axis of the solenoid ?

A closely wound solenoid of 1000 turns and area of cross-section 2 xx 10^-4 m^2 carries a current of 1 A. It is placed in horizontal axis at 30^@ with the direction of uniform magnetic field of 0.16 T. Calculate magnetic moment of solenoid and torque experienced by the solenoid due to the field.

A closely wound solenoid of 2000 turns and area of cross-section 1.5 xx 10^(-4) m^(2) carries a current of 2.0 A . It is suspended through its centre and perpendicular to its length, allowing it to turn in a horizontal plane in a uniform magnetic field 5 xx 10^(-2) tesla making an angle of 30^(@) with the axis of the solenoid. The torque on the solenoid with the

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 50 m long solenoid has 500 turns and produces a magnetic field of 2.5 xx 10^-4 T at its centre. Find the current in the solenoid.

A closely wound flat circuar coil of 25 turns of wire has diameter of 10 cm which carries current of 4 A , the flux density at the centre of a coil will be

A toroid of n turns, mean radius R and cross sectional radius a carries current 'I' . It is placed on a horizontal table taken as x-y plane.Its magnetic moment vec M

A solenoid is 2 m long and 3 cm in diameter. It has 1000 turns and carries a current of 5A. Magnetic field at the centre is

A solenoid 60 cm long has two layers of 300 turns each.The radius of cross section of the solenoid is 1.5 cm. If the current flowing through the solenoid is 5A.Find the magnitude of magnetic induction inside the solenoid fair from the ends .