Question

netic energy to ele
A magnetic needle is placed at different positions of a current earrying solenoid. In which
position does the magnetic needle has got maximum deflection?
(1)
a) Inside the solenoid at the middle.
b) Outside the solenoid near to its end,
c) Lateral side of the solenoid,
1/4
הנו​

Answer 1

At its end the magnetic field is 1/2 of magnetic field inside the solenoid at the middle

Since magnetic field ∝ Deflection

therefore option a is correct