The torque experienced by a given current carrying loop in a uniform magnetic field `vec(B) given by B_(0)(hat i- hat j)` would have magnitude

The figure shows a loop of wire carrying a current i as shown. There exists a uniform magnetic field along x-axis given by vec(B) = B_(0) hat(i) . If the length of each side is a, then

The figure shows a loop of wire carrying a current i as shown. There exists a uniform magnetic field along x-axis given by vec(B) = B_(0) hat(i) . If the length of each side is a, then

A current of 1A is flowing along positive x-axis through a straight wire of length 0.5m placed in a region of a magnetic field given by vec(B)= (2 hat(i) + 4hat(j)) T. The magnitude and the direction of the force experienced by the wire respectively are

A rectangular loop of dimensions (axxb) carries a current i. A uniform magnetic field vec(B)=B_(0) hat(i) exists in space. Then :

A rectangular loop of dimensions (axxb) carries a current i. A uniform magnetic field vec(B)=B_(0) hat(i) exists in space. Then :

A wire loop carrying current I is placed in the x-y plane as shown in the figure. If an external uniform magnetic field vec(B)=B hat(i) is switched on, then the torque acting on the loop is