An electron (mass $=9 imes 10^{-31} \mathrm{~kg}$ and charge $=1.6 imes 10^{-19}(\mathrm{c})$ mo

Question

An electron (mass $=9 	imes 10^{-31} \mathrm{~kg}$ and charge $=1.6 	imes 10^{-19}(\mathrm{c})$ moving with a velocity of $10^{6} \mathrm{~m} / \mathrm{s}$ enters a region where magnetic field exists. If it describes a circle of radius 0.10 m , the intensity of magnetic field must be\

Professor PC Thomas Classes · Answer

$R=\frac{m v}{B q}$\ $\mathrm{B}=\frac{\mathrm{mv}}{\mathrm{qR}}$\ = Tesla\