previous 6 of 15 Problem 20.02 Part A An ion having charge +Ge is traveling hori

Question

previous 6 of 15 Problem 20.02 Part A An ion having charge +Ge is traveling horizontally to the left at 8.55 km/s when it enters a magnetic field that is perpendicular to its velocity and deflects it downward with an initial magnetic force of 6.84x 10-15 N What is the direction of this field? C The field is directed out of the screen. O The field is directed into the screen. O The field is directed to the right. The field is directed tot he lenft Submit My Answers Give Up Part B What is the magnitude of this field? Submit My Answers Give Up

Explanation / Answer

Part-B

We know that

F = qvB

B = F / (qv)

=6.84*10^-15/(6*1.6*10^-19*8550)

=0.83T

Part-A

First, the charge on the ion is positive, and second, the ion is deflected downward. So, for 1, using your right hand rule, the current is going left (in the direction of positive) and the force is down, therefore the magnetic field must be directed in to the screen. So it is option B.

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