Question

an electron moves in circular path of radius 15 CM in magnectic field 4g find it's velocity​

Answer 1

Answer:

Correct option is

A

2.0×10

−24

kg

R

mv

2

=qvB

mv=qBR

Path is straight line

it qE = qvB

E = vB

From equation (i) & (ii)

m=

E

qB

2

R

m=2.0×10

−24

kg