1) when we rub ablloon with apiece of wool becomes ............. charged.  a) negatively  b) positively 2) Similar charges ................... a) They attract b) They repel 3) The two balloons in the picture a) unlike Charges b) like charge 4) the symbol is ........ a) the wire  b) the switch c) battery d) the light bulb 5) the symbol is ........ a) the wire b) the switch c) battery d) the light bulb 6) the symbol is ........ a) the switch b) the wire c) battery d) the light bulb 7) ................ is material through which charges can flow easily a) insulator b) conductor 8) The lights in the picture are connected..................... a) parallel circuit  b) series circuit

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