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प्रश्न
Write true or false for a given statement.
An electric bell uses an electromagnet.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Write true or false for a given statement.
In an electromagnet, the core is made up of copper.
Fill in the blank
An electromagnet is used to separate large mass of ______ scrap.
Fill in the blank
The strength of the magnetic field of an electromagnet is increased by inserting a core of soft ______
Select the correct alternative
Electromagnets are made up of
Select the correct alternative
An electromagnet is used in
Name the material of an electromagnet?
Name two factors on which the strength of magnetic field of an electromagnet depends ?
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.
