1) The following symbol represents a: a) battery b) buzzer c) switch 2) What are the components of the circuit shown in the picture? a) bulb, battery and buzzer b) bulb, battery and switch c) bulb, buzzer and motor 3) What is the type of circuit shown in the diagram? a) series circuit b) parallel circuit c) none of the above 4) What will happen to B1 if B2 stopped working? a) it will stop working b) it will work c) none of the above 5) What is the function of the component shown in the picture? a) provides electricity to the circuit b) control the flow of electricity c) pass electricity to other components 6) What will happen to the brightness of the bulbs if you removed one battery? a) they will light up dimmer b) they will light up brighter c) nothing will happen 7) What is the name of part B? a) casing b) cable c) fuse 8) What is the function of part A? a) protects us from electricity b) protects the appliance when too much current is flowing c) protects the parts inside the plug 9) Which type of metal is the best for overhead cables? a) copper b) aluminium c) silver 10) Why gold is not used in making wires? a) its not a good conductor b) its too expensive c) we can't pull it into wires

Building electrical circuits

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