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प्रश्न
State two common uses of electromagnets?
State two practical uses of electromagnets.
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उत्तर
- 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 the separation of magnetic substances from non-magnetic substances.
संबंधित प्रश्न
Write true or false for a given statement.
An electric bell uses an electromagnet.
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
An electromagnet is used in
Select the correct alternative
The purpose of armature in an electric bell is
Name the material of an electromagnet?
You are given a U shaped soft iron piece, insulated copper wire and a battery. Draw a circuit diagram to make a horse shoe electromagnet ?
Draw a neat and labelled diagram of an electric bell and describe its working ?
The incomplete diagram of an electric bell is given in fig. Complete the diagram and label its different parts ?
Describe the construction and working of an electric bell with the help of a diagram.
