A moving proton with a speed of 0.3 m/s experiences a force of 1.5*10^-20N, when it enters at a right angle to the direction of the magnetic field. What is the magnitude of the magnetic field?
Choose one answer.
a. 0.3 Tesla
b. 0.5 Tesla
c. 0.9 Tesla
d. 1.3 Tesla

Answers

Answered by drwls
Since B and the velocity are peperdicualar,

Force = q V B

That is a formula you should have learned before posting this question

Use e for the proton charge and solve for B
Answered by J~
d. 1.3 Tesla
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