Physics > 2012 > 41
JAMB UTME
A particle carrying a charge of 1.0 x 10-8C enters a magnetic field at 3.0 x 102ms-1 at right angles to the field. If the force on this particle is 1.8 x 10-8N,what is the magnitude of the field?
A.
6.0 x 10-1T
B.
6.0 x 10-2T
C.
6.0 x 10-3T
D.
6.0 x 10-4T
Answer: C
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