Magnetic Effects Of Current Question 357
Question: A very long straight wire carries a current $ I $ . At the instant when a charge $ +Q $ at point $ P $ has velocity $ \overrightarrow{V} $ , as shown, the force on the charge is [CBSE PMT 2005]
Options:
A) Opposite to OX
B) Along OX
C) Opposite to OY
D) Along OY
Show Answer
Answer:
Correct Answer: D
Solution:
Magnetic field produced by wire at the location of charge is perpendicular to the paper inwards. Hence by applying Fleming’s left hand rule, force is directed along OY.
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