Home
Class 12
PHYSICS
A magnet of magnetic moment 50 hat i A m...

A magnet of magnetic moment `50 hat i A m^(2)` is placed along the x-axis in a magnetic field `hat B=(0.5hat i+3.0 hat j)` tesla. The torque acting on the magnet is

A

`175 hat(k) N - m`

B

`75 hat(i) N-m`

C

`150 hat(k)` N -m

D

`25 sqrt(37) hat(k)N-m`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A magnet of magnetic moment 50 hat(i) A-m^(2) is placed along the x-axis in a magnetic field vec(B)=(0.5hat(i)+3.0hat(j))T . The torque acting on the magnet is

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

A magnetic of magnetic moment placed along the X-axis in an magnet field .Find the torque acting on the magnetic field

A "bar" magnet of moment vec(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 charged particle moves with velocity vec v = a hat i + d hat j in a magnetic field vec B = A hat i + D hat j. The force acting on the particle has magnitude F. Then,

A charged particle moves with velocity vec v = a hat i + d hat j in a magnetic field vec B = A hat i + D hat j. The force acting on the particle has magnitude F. Then,

The rectangular coil having 100 turns is placed in a uniform magnetic field of (0.05/sqrt2) hat j tesla as shown in Fig. 1.84. Find the torque acting on the loop.

A charged particle of specific charge (i.e charge per unit mass) 0.2 C/kg has velocity 2 hat(i) - 3 hat(j) (m/s) at some instant in a uniform magnetic field 5 hat(i) + 2 hat(j) (tesla). Find the acceleration of the particle at this instant

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 charge particle having charge 2 coulomb is thrown with velocity 2hat(i) + 3 hat(j) inside a region having vec(E) = 2 hat(j) and magnetic field 5 hat(k) . Find the initial Lorentz force acting on the particle