Magnetic Effects Of Current Question 348
Question: Electrons move at right angles to a magnetic field of $ 1.5\times {{10}^{-2}} $ Tesla with a speed of $ 6\times 10^{7}m/s. $ If the specific charge of the electron is $ 1.7\times 10^{11} $ C/kg. The radius of the circular path will be [BHU 2003]
Options:
A) 2.9 cm
B) 3.9 cm
C) 2.35 cm
D) 3 cm
Show Answer
Answer:
Correct Answer: C
Solution:
$ r=\frac{mv}{qB}=\frac{6\times 10^{7}}{1.7\times 10^{11}\times 1.5\times {{10}^{-2}}}=2.35,cm $
BETA
