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प्रश्न
Select the correct alternative
An electromagnet is used in
पर्याय
electric oven
ammeter
electric bell
radio set
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उत्तर
electric bell
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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 electromagnet with soft iron core is a temporary magnet.
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
The purpose of armature in an electric bell is
What is an electromagnet?
State two ways by which the strength of magnetic field of an electromagnet can be increased ?
State two common uses of electromagnets ?
Name a domestic device in which an electromagnet is used ?
The incomplete diagram of an electric bell is given in fig. Complete the diagram and label its different parts ?
