An electron is travelling at right angles to a uniform magnetic field of flux density 1.2 mT with a speed of $$$8*10^{6} : ms ^{-1}$$$ , the radius of the circular path followed by an electron is

An electron is travelling at right angles to a uniform magnetic field

1.	An electron is travelling at right angles to a uniform magnetic field of flux density 1.2 mT with a speed of $$$8*10^{6} : ms ^{-1}$$$ , the radius of the circular path followed by an electron is
A.	3.8 cm
B.	3.7 cm
C.	3.6 cm
D.	3.5 cm
Answer» B. 3.7 cm