1) The purpose of wires are to….. a) Turn a switch on b) Turn off a light c) Carry electric current  to different Parts of the circuit. 2) Bulb glows only in a) closed circuit b) open circuit c) in both circuits 3) Select the necessary components of a simple electric circuit. a) bulb,battery,wire ,switch b) bulb, switch c) switch ,bulb, motor 4) This is an open circuit a) true b) false

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