A uniform magnetic flux 9*10^-6 WB is out normally from a piece of paper 2 mm...

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A uniform magnetic flux 9*10^-6 WB is out normally from a piece of paper 2 mm...

A uniform magnetic flux 9*10^-6 WB is out normally from a piece of paper 2 mm * 3 mm . if you shoot a proton with 3*10^6 m/s in plan parallel to paper

a) what is the radius of a proton due to magnetic field ?

b) an electric field is applied to so that projected proton remains undeflected. what should be the magnitude and direction of applied electric field ?

c) a copper wire with current of 1 A is placed perpendicular to both width sides. Calculate the force on the wire . (Please explain part c, thank you!

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