A charge particle after being accelerated through a potential difference 'V' enters in a uniform magnetic field and moves in a circle of radius r. If V is doubled, the radius of the circle will become a) 2r b) √2 r c) 4r d) r/√2
[2020 | Delhi | Section - A | SET - 1 SET - 2 SET - 3, Q.6 Q.10 Q.5]
