Homework Answers
a)
radius of the path
r = mv / qB
0.15 = 9.11* 10^-31* 1000 / ( 1.6* 10^-19* B)
B = 3.796* 10^-8 T
field inaide solenoid
B = (uo/ 4pi) 2 i / r = 3.796* 10^-8
i = 0.02847 A
=====
b)
time period of rev
t = 2 pi m / qB
t = 2* 3.14* 9.11* 10^-31 / ( 1.6* 10^-19* 3.796* 10^-8)
t = 9.42* 10^-4 s
=====
c)
electron moving in counter-clockwise way
=====
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