A proton enters a magnetic field of flux density 5 T with a velocity – McqOptions

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1.	A proton enters a magnetic field of flux density 5 T with a velocity of 5 × 107 ms-1 at an angle of 30o with the field. Find the force on the proton.
A.	0.2 × 10-11 N
B.	2 × 10-11 N
C.	20 × 10-11 N
D.	200 × 10-11 N
Answer» C. 20 × 10-11 N

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