Physics-Bar Magnet
NEET Physics Bar Magnet Match the Following Question
Type: Match the Following-match the column-Medium-Class 12
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Null point location | (i) 14 cm from the center |
| (b) Earth's magnetic field strength | (ii) 0.36 G |
| (c) Torque on a magnet | (iii) m × B |
| (d) Potential energy expression | (iv) -m . B |
A
a-i, b-ii, c-iii, d-iv
B
a-ii, b-i, c-iv, d-iii
C
a-iv, b-iii, c-i, d-ii
D
a-iii, b-iv, c-ii, d-i
Correct Answer
Option A
Detailed Explanation
The null point location is specifically stated to be at 14 cm from the center of the magnet, with the Earth's magnetic field strength given as 0.36 G. The torque on a magnet in a magnetic field is expressed as m × B, and the potential energy expression is -m . B.
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