Question

A charged particle moving with veiocity $4 \times 10^6ms^{-1} $
enters perpendicuiar to a magnetic field $B=2 \, Wbm^{-2}.$
It moves in a circular path of radius 2 cm, then charge
per unit mass is

• A. $10^2C \, kg^{-1} $
• B. $10^3C \, kg^{-1} $
• C. $10^4C \, kg^{-1} $
• D. $10^8C \, kg^{-1} $

Answer 1

Answer: (D)

Correct answer is (d) $10^8C \, kg^{-1} $