The expression for the magneticfield B B = (mv) / (qR) We now m, v, q, but the v

Question

The expression for the magneticfield B                    B = (mv) / (qR) We now m, v, q, but the value of R can be obtainedas,   R = s/; Here = /2, because it is travelingstrictly horizontal and changes to strictly vertical. Now;                                 B = (mv) /(2qs)                                 B = (1.67*10 -27)(1200)( )/[(2*1.602*10-19)*(0.0118) T                                 B = 0.001665 Tesla




The expression for the magneticfield B                    B = (mv) / (qR) We now m, v, q, but the value of R can be obtainedas,   R = s/; Here = /2, because it is travelingstrictly horizontal and changes to strictly vertical. Now;                                 B = (mv) /(2qs)                                 B = (1.67*10 -27)(1200)( )/[(2*1.602*10-19)*(0.0118) T                                 B = 0.001665 Tesla




The expression for the magneticfield B                    B = (mv) / (qR) We now m, v, q, but the value of R can be obtainedas,   R = s/; Here = /2, because it is travelingstrictly horizontal and changes to strictly vertical. Now;                                 B = (mv) /(2qs)                                 B = (1.67*10 -27)(1200)( )/[(2*1.602*10-19)*(0.0118) T                                 B = 0.001665 Tesla

Explanation / Answer

In magnetic field , magnetic force on proton =centripetal force

Bvq = mv ^ 2 / R

Bq = mv / R

From this magnetic fie;ld B = mv / Rq                  ----(1)

We know angle = arc / radius

                           = s / R

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