Question

describe funcition and working of ringing bell

Answer 1

When the switch is pushed close the circuit is completed
and current flows through the electromagnetic coil.

1. The iron striker is attracted
to the electromagnet and strikes the bell.

2. As the striker moves towards the bell,
the contact is broken.Electricity stops flowing
through the coil which losesits magnetism.

3. The spring returns thestriker to its original position
which makes a new contactand so electricity flowsagain.

Back to number 1 and the cycle repeats itself. The bell
will continue to ring as long as the switch is held closed.

Answer 2

When the switch is pushed close the circuit is completed

and current flows through the electromagnetic coil.

1. The iron striker is attracted

to the electromagnet and strikes the bell.

2. As the striker moves towards the bell,

the contact is broken.Electricity stops flowing

through the coil which losesits magnetism.

3. The spring returns thestriker to its original position

which makes a new contactand so electricity flowsagain.

Back to number 1 and the cycle repeats itself. The bell

will continue to ring as long as the switch is held closed.

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