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A particle of mass \(m\) and charge \(q\)describes a circular path of radius \(R\) in a magnetic field. If its mass and …

Q1

A particle of mass \(m\) and charge \(q\)describes a circular path of radius \(R\) in a magnetic field. If its mass and charge were 2 m and \(\frac{q}{2}\) respectively, the radius of its path would be

a

\(\frac{R}{4}\)

b

\(\frac{\mathrm{R}}{2}\)

c

\(2R\)

d

\(4R\)

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