A charged particle is moving on circular path with velocity v in a uniform magnetic field B, if the velocity of the charged particle is doubled and strength of magnetic field is halved, then radius becomes: [1]
A. 8 times
B. 4 times
C. 2 times
D. 16 times
Answer:B
A charged particle is moving on circular path with velocity v in a uniform magnetic field B, if the velocity of the charged particle is doubled and strength of magnetic field is halved, then radius becomes: [1]
A. 8 times B. 4 times C. 2 times D. 16 times