Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Consider a long thin conducting wire carrying a uniform current I . A particle having mass " M " and charge " q " is released at a distance " a " from the wire with a speed 
along the direction of current in the wire. The particle gets attracted to the wire due to magnetic force. The particle turns round when it is at distance x from the wire. The value of x is [ 
is vacuum permeability]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
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