A 10 mu C charge moves with a velocity of 1 0 x... - WAEC Physics 2016 Question
A 10\(\mu\)C charge moves with a velocity of 1.0 x 105 ms-1 at right angle to a uniform magnetic field of flux density 5.0 x 10-4T. Calculate the force on the charge
A
5.0 x 10-5N
B
5.0 x 10-4N
C
5.0 x 105N
D
5.0 x 106N
correct option: b
F = qvB
= 10 x 10-6 x 1.0 x 105 x 10-4
= 5.0 x 10-4N
= 10 x 10-6 x 1.0 x 105 x 10-4
= 5.0 x 10-4N
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