MEDIUM
12th CBSE
IMPORTANT
Earn 100

Derive the expression for the torque acting on the rectangular current carrying coil of a galvanometer. Why is the magnetic field made radial?

Important Questions on Moving Charges and Magnetism

MEDIUM
12th CBSE
IMPORTANT

An α-particle is accelerated through a potential difference of 10 kV and moves along the x-axis. It enters in a region of the uniform magnetic field B=2×10-3 T acting the y-axis. Find the radius of its path. (Take mass of  α-particle=6.4×10-27 kg)