1) A bulb only glows in- a) Open circuit b) Closed circuit c) Any circuit d) None of the options 2) Example of an insulator is- a) b) c) d) 3) How many terminals are there in an electric cell? a) 7 b) 3 c) 2 d) 1 4) Example of a conductor is- a) Copper wire b) Metal Bottle caps c) Human d) All of the above 5) To prevent electric shock the electric wires are covered with- a) Plastic b) Aluminium foil c) Copper sheet d) Paper 6) Filament of a bulb is made up of- a) Tungsten b) Platinum c) Steel d) None of the options 7) The device that breaks and joins the circuit is- a) Switch b) Filament c) Cell d) Battery 8) A bulb whose filament is broken is called a) Joint b) Conductor c) Glowing d) Fused 9) The thin wire that gives off light is called- a) Current b) Filament c) Bulb d) Cell 10) An electrician wears a rubber glove while doing a) Just for fun b) Not to make his hands dirty c) Save electricity d) Prevent himself from getting shocked

Electricty and circuits

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