JEE Main 2019 Physics question

PhysicsMoving Charges and MagnetismJEE Main 2019

In an experiment, electrons are accelerated, from rest, by applying a voltage of 500 V. Calculate the radius of the path if a magnetic field 100 mT is then applied. [Charge of the electron = C, Mass of the electron = kg]

Answer: (A)

Solution

m.

Question ID VK-010476