Magnetic Effects Of Current Question 101
Question: A long solenoid has n turns per meter and current I A is flowing through it. The magnetic field at the ends of the solenoid is [MP PMT 2001; MP PET 2002]
Options:
A) $ \frac{{\mu_{0}}nI}{2} $
B) $ {\mu_{0}}nI $
C) Zero
D) $ 2{\mu_{0}}nI $
Show Answer
Answer:
Correct Answer: A
Solution:
B at ends of solenoid is $ \frac{{\mu_{0}}}{2}ni $
BETA
