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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An electron and a proton each travel with equal speeds around circular orbits in the same uniform magnetic field as indicated (not to scale) in Fig. The field is into the page on the diagram. The electron travels ____ around the _____circle.

An electron and a proton each travel with equal speeds around circular orbits in the same uniform magnetic field as indicated (not to scale) in Fig. The field is into the page on the diagram. The electron travels ____ around the _____circle.

A particle of charge q moves in a circle of radius r with speed v. Treating the circular path as a current loop with an average current find the maximum torque exerted on the loop by a uniform field of magnitude B.