What happens in the electric bell when aluminium strip is used instead of iron strip?
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When the switch (K) is closed, an electric current passes from the battery (U) through the winding of the electromagnet. It creates a magnetic field that attracts the iron arm of the clapper, pulling it over to give the bell a tap. ... Another type, the single-stroke bell, has no interrupting contacts.
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When the switch (K) is closed, an electric current passes from the battery (U) through the winding of the electromagnet. It creates a magnetic field that attracts the iron arm of the clapper, pulling it over to give the bell a tap.Another type, the single-stroke bell, has no interrupting contacts.
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