Answer:
The charge to mass ratio is
m/e= -0.17*10^12kg/c
Step-by-step explanation:
Step one :
Given data
mass of an electron m= 9.11x10-31kg
charge of electron q= -1.60x10-19C
Applying the equation
mv²/r=Bev
Where m =mass of charge
v= velocity of charge
r= distance
B=magnetic field
e= charge
Rearranging to get the charge-mass ratio we have
mv²/r=Bev
m/e=Br/v
(-1.60x10-19)/(9.11x10-31kg)=Br/v
-0.17*10^12
m/e= -0.17*10^12kg/c