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shaunoff 594 views 5 slides Apr 15, 2013
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Uses of electromagnets – electric bell
The circuit for a door bell includes an electromagnet.

Uses of electromagnets – electric bell
The circuit for a door bell includes an electromagnet.

Uses of electromagnets – electric bell
When the circuit is closed, the
electromagnet pulls the
armature towards it, causing
the hammer to strike the bell.
The circuit for a door bell includes an electromagnet.

Uses of electromagnets – electric bell
When the circuit is closed, the
electromagnet pulls the
armature towards it, causing
the hammer to strike the bell.
The movement of the
armature breaks the circuit,
and the hammer returns to its
original position.
The circuit for a door bell includes an electromagnet.

Uses of electromagnets – electric bell
When the circuit is closed, the
electromagnet pulls the
armature towards it, causing
the hammer to strike the bell.
The movement of the
armature breaks the circuit,
and the hammer returns to its
original position.
This sequence repeats,
causing the bell to sound
continuously.
The circuit for a door bell includes an electromagnet.
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