How will you test whether a given rod is made of iron or copper?

टीपा लिहा

Bring the rod near the magnet, iron rod will get attracted towards the magnet while copper will not.

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पाठ 8: Electricity and Magnetism - Magnestism [पृष्ठ ३२०]

पाठ 8 Electricity and Magnetism
Magnestism | Q 4 | पृष्ठ ३२०

Tick the most appropriate answer.

The surest test of magnetism is

Answer the following in short.

If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be

How will you do this?

Explain that a magnet has a certain magnetic field.

The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:

Maximum iron filings stick in the middle of a bar magnet when it is brought near them.

The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.

Why it is not advisable to slide a magnet on an iron bar back and forth during magnetising it?

What will happen when we place magnets near cell phones, computers, and DVDs?

You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.