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A proton traveling at v= 4.65 x 10° m/s to the right enters the region between two parallel charged plates separated by a dis

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Answer #1

For the constant velocity of proton net force on the Proton should be zero.

Than speed of proton is

v = E/B

E = electric field. = V/d

B = magnetic field

Than

E = V/d = vB

V = Bvd = 8.47 x 10-7 x 4.65x106x5.09x10-2

  V = potential difference = 0.20 volt

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