Magnetic Effects Of Current Question 343
Question: A particle of mass M and charge Q moving with velocity $ \overset{\to }{\mathop{v}}, $ describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B. The work done by the field when the particle completes one full circle is [AIEEE 2003]
Options:
A) $ B,Qv,2\pi ,R $
B) $ ( \frac{Mv^{2}}{R} ),2\pi R $
C) Zero
D) $ BQ2\pi R $
Show Answer
Answer:
Correct Answer: C
Solution:
$ W=F.d\cos 90^{o}=0 $
BETA
