Magnetic field due to currentHard
Question
An electron is moving in a circle of radius 5.1 × 10-11 m. at a frequency of 6.8 × 1015 revolution / sec. The equivalent current is approximately : -
Options
A.5.1 × 10-3 A
B.6.8 × 10-3 A
C.1.1 × 10-3 A
D.2.2 × 10-3 A
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