Magnetic Effects Of Current Question 341
Question: An electron enters a region where electrostatic field is 20N/C and magnetic field is 5T. If electron passes undeflected through the region, then velocity of electron will be [DPMT 2002]
Options:
A) $ 0.25m{{s}^{-1}} $
B) $ 2m{{s}^{-1}} $
C) $ 4m{{s}^{-1}} $
D) $ 8m{{s}^{-1}} $
Show Answer
Answer:
Correct Answer: C
Solution:
$ v=\frac{E}{B}=\frac{20}{5}=4m/\sec $
BETA
