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Q.

Which of the following statement is false for an electric bell?     

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a

The iron strip moves away from the electromagnet as soon as the current flows through the circuit.

b

Electric bell works on the concept of electromagnetism.

c

The striker strikes the gong to create the sound.

d

The electric circuit breaks when the iron strip moves towards the electromagnet.

answer is A.

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Detailed Solution

Electric bell works on the principle of electromagnetism.
 

Question Image
  • When the switch is ON, the circuit gets closed and an electric current is passed through the circuit.
  • Due to the electric current, the coil of iron starts acting as an electromagnet.
  • This electromagnet pulls the iron strip.

Therefore, the first statement is a false statement.

The correct statement would be: The iron strip moves towards the electromagnet as soon as the current flows through the circuit.

 

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