what are things needed for making an electric bell and how can we make it?
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the things needed are
1.a small hammer
2.a steel gong
3.a screw as interupter
4.soft iron strip
5.switch
6.a battery
7.an electromagnet
8.a wire
1.a small hammer
2.a steel gong
3.a screw as interupter
4.soft iron strip
5.switch
6.a battery
7.an electromagnet
8.a wire
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