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# If the particle were negatively charged then what will be the magnitude of force on the charged particle?zero23.04×10−6NNone of these230.4×10−5N

A
zero
B
23.04×106N
C
230.4×105N
D
None of these
Solution
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#### Force acting on a charged particle moving in a magnetic field is →F=q(→v×→B)⟹∣∣→F∣∣=|−e|vB=evB=1.6×10−19×4.8×106×30×106N=23.04×10−6N.

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