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Question

A charged particle of charge Q and mass m moves with velocity v in a circular path due to transverse magnetic field B, then its frequency is
  1. QB2πm
  2. QmvB2π
  3. QvB2πm
  4. vB2πQm

A
vB2πQm
B
QB2πm
C
QvB2πm
D
QmvB2π
Solution
Verified by Toppr

Magnetic Field =B
Centrifugal Force = mv2R
Magnetic Force =QvB
mv2R=QvB
v=QBRm
frequency = v2πR=QB2πm

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