# Magnet Magic

This logic puzzle was published in Martin Gardner's column in the Scientific American. You are in a room with no metal objects except for two iron rods. Only one of them is a magnet. How can you identify which one is a magnet?

Note by Vishwathiga Jayasankar
3 years, 5 months ago

MarkdownAppears as
*italics* or _italics_ italics
**bold** or __bold__ bold
- bulleted- list
• bulleted
• list
1. numbered2. list
1. numbered
2. list
Note: you must add a full line of space before and after lists for them to show up correctly
paragraph 1paragraph 2

paragraph 1

paragraph 2

[example link](https://brilliant.org)example link
> This is a quote
This is a quote
    # I indented these lines
# 4 spaces, and now they show
# up as a code block.

print "hello world"
# I indented these lines
# 4 spaces, and now they show
# up as a code block.

print "hello world"
MathAppears as
Remember to wrap math in $$...$$ or $...$ to ensure proper formatting.
2 \times 3 $$2 \times 3$$
2^{34} $$2^{34}$$
a_{i-1} $$a_{i-1}$$
\frac{2}{3} $$\frac{2}{3}$$
\sqrt{2} $$\sqrt{2}$$
\sum_{i=1}^3 $$\sum_{i=1}^3$$
\sin \theta $$\sin \theta$$
\boxed{123} $$\boxed{123}$$

Sort by:

The magnetic rod when suspended will point in north-south direction. Or you can also hold one end of one rod and see if its attracted to the centre of the other rod. Magnet will have least attraction at its centre.

- 3 years, 5 months ago

YEAH..TRY MY OTHER LOGICAL PUZZLES TOO

- 3 years, 5 months ago

Arrange the rods in shape of 'T' Let us say 'I' as rod 1 and the other as rod 2. Now move the rod 1 away from 2 in a st. line in which it is present. If rod 2 comes along with it then rod 1 is magnet.If not then rod 2 is magnet.

- 3 years, 5 months ago