An electron (mass = 9.0 × 10 –31 kg and charge = 1.6 × 10 –19 coulomb) is moving in a circular orbit in a magnetic field of 1.0 × 10 –4 weber/m 2 . Its period of revolution is:
Text Solution
Verified by ExpertsThe correct answer is:
A
m = 9.0 × 10 –31 kg
e = 1.6 × 10 –19
B = 1.0 × 10–4 Wb/m 2
T = 
= 
= 3.5 × 10 –7
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