telephones, electric bells and Transformers use the principle of
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Explanation:
It uses the principle of electromagnetism
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Telephones - electromagnetism
Electric bells - magnetism
Transformers - mutual induction
Explanation:
- Telephones works with the use of the transmitter and the receiver.
- Electric bell is a kind of device which makes an alert signal in the form of sound.
- The transformer is a device that is used to transfer the energy in the form of current.
- Electromagnetism is a process where a conductor situates itself in a particular position. Then the magnetic field varies.
- Mutual induction is the process of generating the magnetic field.
Learn more about an electric bell
The definition of an electric bell
brainly.in/question/6223725
The conduction and working of electric bells
brainly.in/question/14409106
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