A conducting wire MN carrying a current I is bent into the shape as shown and placed in xy plane. A uniform magnetic field `vecB=-Bhatk` is existing in the region. The net magnetic force experenced by the conducting wire MN is

A conducting loop carrying current 'l' is bent into two halves and placed in mutually perpendicular planes xy and yz planes as shown. A uniform magnetic field vecB=Bhatj is existing in the region. The net magnetic torque experienced by the loop is

A conducting loop carrying current 'l' is bent into two halves and placed in mutually perpendicular planes xy and yz planes as shown. A uniform magnetic field vecB=Bhatj is existing in the region. The net magnetic torque experienced by the loop is

A conducting wire carrying a current I is bent into the shape as shown. The net magnetic field at the centre O of the circular arc of radius R

A conducting wire carrying a current I is bent into the shape as shown. The net magnetic field at the centre O of the circular arc of radius R

A long wire carrying current 'I' is bent into the shape as shown in the figure. The net magnetic field intensity at the centre 'O' is

A long wire carrying current 'I' is bent into the shape as shown in the figure. The net magnetic field intensity at the centre 'O' is

A wire carrying current i is bent as shown in figure and placed in the plane of uniform magnetic field Bvec. The magnitude of magnetic force experienced by

A wire PQR carrying a current l is bent as shown in the figure. It is placed in a uniform magnetic field B. What is the ratio of magnitude of the force on PQ to that on QR ?

A wire PQR carrying a current l is bent as shown in the figure. It is placed in a uniform magnetic field B. What is the ratio of magnitude of the force on PQ to that on QR ?

A conducting wire carrying current I is shown in the figure. The magnitude of magnetic field at the point P will be