Advertisements
Advertisements
प्रश्न
State two common uses of electromagnets ?
Advertisements
उत्तर
Uses of electromagnet —
- In electrical appliances such as electric bell, fan etc.
- In lifting heavy loads of iron scrap.
- To remove tiny particles of iron from the wound.
- In loading furnaces with iron.
- In separation of magnetic substances from the non-magnetic substances.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
In an electromagnet, the core is made up of copper.
Write true or false for a given statement.
An electric bell uses an electromagnet.
Write true or false for a given statement.
An electromagnet with soft iron core is a temporary magnet.
Fill in the blank
An electromagnet is used to separate large mass of ______ scrap.
Select the correct alternative
Electromagnets are made up of
Select the correct alternative
The purpose of armature in an electric bell is
Name the material of an electromagnet?
State two ways by which the strength of the magnetic field of an electromagnet can be increased?
Draw a neat and labelled diagram of an electric bell and describe its working ?
Describe the construction and working of an electric bell with the help of a diagram.
