Previous year Jee mains question
chapter :- magnetic effect of current .
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Option (a) V = E×B/B²
Explanation
As v of charged particle is remaining constant , it means force acting on charged particle is zero .
As we know that , electrostatic force = qE
magnetic force = q(V×B)
- → F = qE + q(v×B) = 0
- → qE = - q(V×B) = 0
- → q ( V×B) = qE
- → V × B = E
- → V = E×B/B²Answer
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