A 2μC charge moving around a circle with a frequency of 6.25×1012Hz produces a magnetic field 6.28T at the centre of the circle. The radius of the circle is

Question:

Options :

(a) 2.25 m
(b) 0.25 m
(c) 13.0 m
(d) 1.25 m
(e) 3.25 m

Answer :

(d) 1.25 m

Answer Steps :

step 1:

step 2:

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