Question

Q32. (a) Derive the expression for the torque acting on the rectangular current carrying coil of a
galvanometer. Why is the magnetic field made radial?
(b) An a-partide is acelerated through a potential difference of 10 kV and moves along x-axis. It
enters in a region of uniform magnetic field B = 2x 10-T acting along y-axis. Find the radius of its
path (Take mass of a particle = 6.4 x 10-2 kg)
[5] ​

Answer 1

Explanation:

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