A wire loop carrying a current I is placed in the x-y plane. (a) If a particle with charge +Q and mass m is placed at the center P and given a velocity `vec(v)` along NP, find its acceleration. (b) if an external uniform magnetic induction `vec(B)`=B`hat(i)` is applied, find the force and the torque acting on the top due to this field.

A wire loop carrying I is placed in the x-y plane as shown in fig. (a) If a particle with charge +Q and mass m is placed at the centre P and given a velocity vec(v) along NP (see figure), find its instantaneous acceleration. ( b) If an external uniform magnetic induction field vec(B) = Bhat(i) is applied , find the force and the torque acting on the loop due to this field.

A wire loop carrying a current I is placed in the xy -plane as shown in figure a. If a particle chsarge +Q and mass m is placed at in centre P and given a velocity v along NP (see figure), find its instaneous acceleration. If an external uniform magnetic induction field B=Bhati is applied, find the force and the torque acting on the loop due to this field.

A wire loop carrying current I is placed in the x-y plane as shown. Magnetic induction at P 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

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

A "bar" magnet of moment bar(M)=hat(i)+hat(j) is placed in a magnetic field induction vec(B)=3hat(i)+4hat(j)+4hat(k) . The torque acting on the magnet is

A circular flexible loop of wire of radius r carrying a current I is placed in a uniform magnetic field B . If B is doubled, then tension in the loop

A dipole of magnetic moment vec(m)=30hatjA m^(2) is placed along the y-axis in a uniform magnetic field vec(B)= (2hat i +5hatj)T . The torque acting on it is