What is the function of contact screw in a bell
Dear student,
Please find below the solution to the asked query
Contact screw completes the circuit in an electric bell. When the iron strip is in contact with screw,the current flows through the coil and it becomes an electromagnet. The hammer at one end of iron strip strikes the gong and bell is rung.
Hope this information will clear your doubts about the topic.
Please find below the solution to the asked query
Contact screw completes the circuit in an electric bell. When the iron strip is in contact with screw,the current flows through the coil and it becomes an electromagnet. The hammer at one end of iron strip strikes the gong and bell is rung.
Hope this information will clear your doubts about the topic.
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