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Please mark your answers to the multiple choice questions and put the final number with correct units for the questions which

1. (15 points) A charged particle moves with velocity 1.5 kms making angle 50° with the external magnetic field of magnitude

PLEASE INDICATE WHICH LETTER YOU USED TO SOLVE AND THE NUMERICAL ANSWER WITH UNITS!!

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Answer #1

F =qVBsinx (q = charge, V = velocity of charged particle, B = magnetic field x = angle between magnetic field and velocity)

3.5 = q 1500* 0.6* sin50

q = 0.00507 Coulomb

sign of the charge is -ve

Magnetic force is zero when value os sinx is zero , means the angle between velocity and magnetic field will be zero or 180 means velocity and magnetic field is parallel or antiparallel

Magnetic force is also zero when magnitude of velocity is zero

E. A and D is correct

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