Advertisements
Advertisements
प्रश्न
State four important properties of a bar magnet?
Advertisements
उत्तर
- Attractive property: A magnet can attract small pieces of iron filing or other ferromagnetic materials.
- Directive property: If a magnet is suspended horizontally by a thin thread (say silk thread), it rests always pointing north-south direction of the earth.
- Like poles always repel each other and unlike poles attract each other.
- Poles always exist in pairs: Single pole can never exist.
APPEARS IN
संबंधित प्रश्न
Name four appliances which work using electricity ?
Define the following term regarding a bar magnet:
Effective length
Describe two simple experiments to support the statement that magnetism is a property of the molecules of a magnet.
Define the term Poles of a magnet
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
Consider the statement given below and choose the correct option.
Assertion: Iron filings are concentrated more at the magnetic poles.
Reason: The magnets are so sharp.
Which is not attracted by a magnet?
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
The magnetic poles always exist in pairs.
Define artificial magnet.
