Q#1 Giver an electron with instantaneous velocity in an externalmagnetic field a

Question

Q#1 Giver an electron with instantaneous velocity in an externalmagnetic field as shown below. The EAST component of the magneticforce exerted on the electron is V=(36.6m/sec)n  +(50.0 m/sec)u -B =(2.0 T)n    Feast =(      )* ( -1.6*10upper -19) Newton e (a) 0 (b) 25 (c)-50 (d)75 (e) -100 (a,b) 100 (a,c) 225   Q#1 Giver an electron with instantaneous velocity in an externalmagnetic field as shown below. The EAST component of the magneticforce exerted on the electron is V=(36.6m/sec)n  +(50.0 m/sec)u -B =(2.0 T)n    Feast =(      )* ( -1.6*10upper -19) Newton e (a) 0 (b) 25 (c)-50 (d)75 (e) -100 (a,b) 100 (a,c) 225  

Explanation / Answer

   v =  (36.6m/sec)n + (50.0m/sec)u    B = ( 2.0 T) n -------------------------------------    The magnetic force is            F= q( vX B)            = ( -1.6*10-19C)[((36.6m/sec)n + (50.0m/sec)u) X( ( 2.0 T) n)]         =  ( -1.6*10-19C)( ( -100)) So E is correct

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