Q. A charge of $2 \times 10^{- 1}C$ move at 30 revolutions per second in a circle of diameter 80 cm. The current linked with the circuit is
A) 0.02 A
B) 20 A
C) 0.60 A
D) 60 A
Explanation
(c) $i = q/T = qv$
$= 2 \times 10^{- 2} \times 30 = 0.6\ A$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.