Physics-Bar Magnet
NEET Physics Bar Magnet Match the Following Question
Type: Match the Following-match the column-Easy-Class 12
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Magnetic moment of a bar magnet | (i) n (2l) I (πa²) |
| (b) Null points location | (ii) 14 cm from the center |
| (c) Earth's magnetic field strength | (iii) 0.36 G |
| (d) Angle of dip | (iv) Zero |
A
a-i, b-ii, c-iii, d-iv
B
a-ii, b-iv, c-i, d-iii
C
a-iii, b-i, c-iv, d-ii
D
a-iv, b-iii, c-ii, d-i
Correct Answer
Option A
Detailed Explanation
The magnetic moment of a bar magnet is represented by the formula n (2l) I (πa²). The null points are located at 14 cm from the center of the magnet as described in the context. The Earth's magnetic field strength is given as 0.36 G, and the angle of dip is stated as zero.
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