An electron having charge 1.6 10 -19 C and mass 9 10 -31 kg is moving with 4 10 6 m/s…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
An electron having charge 1.6 \(\times\) 10-19 C and mass 9 \(\times\) 10-31 kg is moving with 4 \(\times\) 106 m/s speed in a magnetic field of 2 \(\times\) 10-1 tesla in a circular orbit. The force acting on an electron and the radius of circular orbit will be
- 1.28 \(\times\) 10-13 N, 1.1 \(\times\) 10-4 m
- 1.28 \(\times\) 10-14 N, 1.1 \(\times\) 10-3 m
- 1.28 \(\times\) 1015 N, 1.2 \(\times\) 10-12 m
- 1.28 \(\times\) 1016 N, 1.2 \(\times\) 10-10 m
Answer
(A) 1.28 10 -13 N, 1.1 10 -4 m
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