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

An electric field vec(E) = (25 hat(i) + 30 hat(j)) NC^(-1) exists in a region of space. If the potential at the origin is taken to be zero then the potential at x = 2m, y = 2m is :

A uniform magnetic field vec(B) = B_(0) hat(k) exists in a region. A current carrying wire is placed in x-y plane as show. Find the force acting on the wire AB, if each section of the wire is of length 'a'.

A uniform magnetic field vec(B) = B_(0) hat(k) exists in a region. A current carrying wire is placed in x-y plane as show. Find the force acting on the wire AB, if each section of the wire is of length 'a'.

A uniform magnetic field existsin region given by vec(B) = 3 hat(i) + 4 hat(j)+5hat(k) . A rod of length 5 m is placed along y -axis is moved along x - axis with constant speed 1 m//sec . Then the magnitude of induced e.m.f in the rod is :

A uniform magnetic field existsin region given by vec(B) = 3 hat(i) + 4 hat(j)+5hat(k) . A rod of length 5 m is placed along y -axis is moved along x - axis with constant speed 1 m//sec . Then the magnitude of induced e.m.f in the rod is :

A uniform magnetic field existsin region given by vec(B) = 3 hat(i) + 4 hat(j)+5hat(k) . A rod of length 5 m is placed along y -axis is moved along x - axis with constant speed 1 m//sec . Then the magnitude of induced e.m.f in the rod is :

A charged particle with charge to mass ratio ((q)/(m)) = (10)^(3)/(19) Ckg^(-1) enters a uniform magnetic field vec(B) = 20 hat(i) + 30 hat(j) + 50 hat(k) T at time t = 0 with velocity vec(V) = (20 hat(i) + 50 hat(j) + 30 hat(k)) m//s . Assume that magnetic field exists in large space. During the further motion of the particle in the magnetic field, the angle between the magnetic field and velocity of the particle

A charged particle with charge to mass ratio ((q)/(m)) = (10)^(3)/(19) Ckg^(-1) enters a uniform magnetic field vec(B) = 20 hat(i) + 30 hat(j) + 50 hat(k) T at time t = 0 with velocity vec(V) = (20 hat(i) + 50 hat(j) + 30 hat(k)) m//s . Assume that magnetic field exists in large space. During the further motion of the particle in the magnetic field, the angle between the magnetic field and velocity of the particle

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

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