Question

A charge particle of 2 µC accelerated by a potential difference of 100V enters a region of uniform magnetic field of magnitude 4 mT at right angle to the direction of field. The charge particle completes semicircle of radius 3 cm inside magnetic field. The mass of the charge particle is _____ × 10^–18 kg.

Answer 1

Correct answer is 144.

Comments

Thanks! Took me a while to understand that k is Kinetic Energy though