Question

What happens if iron strip in electric bell is replaced by aluminium strip?

Answer 1

Answer:

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.

Explanation: