Mike needs the bulb to be brighter; for that, he has to change the __________., bulb., cell., wire., switch., Safia needs the bulb to be dimmer; for that, she has to add more __________., bulbs., cells., wires., switches., The circuit is working because __________., the switch is off., the bulb is new., the clip paper is an electrical conductor., the clip paper is an electrical insulator., The circuit is not working because __________., the bulb is not connected., the cell is not connected., the switch is off., the eraser is an electrical insulator., The circuit contains __________ cells., 1, 2, 3, 4, Instead of a bulb, you can use a __________., clip paper., buzzer., motor., eraser.

Electrical Circuits

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