Question:

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

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:

Video Tutorial