Fill in the blanks :
1. A circuit with an open switch is called an .............. .
2. The combination of two or more cells in an electric circuit is called .............. .
3. The .............. the resistance of a material , the .............. the current that can pass through it.
4. The heating effect of a electric current is the conversion of .............. energy into .............. energy.
5. Electric fires caused as a result over loading may be prevented by the proper use of a ............ .
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3
Answer:
1 answer is incompleted circuit
2 answer is battery
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