Find the magnetic field B due to a semicircular wire of radius 10.0 cm carrying a current of 5.0A at its centre of curvature .

Calculate the magnetic field due to a circular coil of 100 turns, radius 30 cm, carrying a current of 10 A, (i) at the centre and (ii) at a point 40 cm away from the centre on its axis.

State the expression for the magnetic field due to a circular are of wire carrying a current I. Hence find the magnetic field at the centre of circular coil and having n turns.

A uniform magnetic field vec(B) = 3 hat i + 4 hat j + hat k exists in region of space. A semicircular wire of radius of 1 m carrying current 1 A having its centre at (2, 2, 0) is placed in x-y plane as shown in Fig. The force on semicircular wire will be

A uniform magnetic field vec(B) = 3 hat i + 4 hat j + hat k exists in region of space. A semicircular wire of radius of 1 m carrying current 1 A having its centre at (2, 2, 0) is placed in x-y plane as shown in Fig. The force on semicircular wire will be

A uniform magnetic field vec(B) = 3 hat i + 4 hat j + hat k exists in region of space. A semicircular wire of radius of 1 m carrying current 1 A having its centre at (2, 2, 0) is placed in x-y plane as shown in Fig. The force on semicircular wire will be

A semicircular wire of radius r , carrying a current I , is placed in a magnetic field of magnitude B . The force acting on it

the intensity of the magnetic induction field at the centre of a single turn circular coil of radius 5 cm carrying current of 0.9 A is

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.