Many objects around us contain electromagnets. They can be found in electric motors and loudspeakers. Powerful electromagnets are used as lifting magnets in scrap yards. Another use an electromagnet is an electric bell used in most schools.
When the switch is turned on, the current flows through the circuit and the electromagnet makes a magnetic field, therefore the electromagnet then attracts the striker (metal arm) which then hits the bell, however because the striker has moved the contact is broken and the circuit is broken between the striker’s contact and the other contact,the striker moves back, and the circuit is ...
