What happens to the light bulb? The bulb glows when there is a movement of the primary coil in and out of the secondary coil. If the movement stops so does the glowing of the lightbulb. (b) If you switch the light bulb with a resistor, what happens to the voltage indicator? 

1 (c) Instead of moving the primary coil, move the secondary coil while the primary coil is stationary. Did you see the same effect you observed above? 

2. Change the battery of the primary coil with an AC source and the secondary coil with the light bulb. What happens while the primary coil is not moving? Why does the light bulb on the secondary coil light up?

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It seems like you are describing a scenario related to electromagnetic induction and transformers Lets break down each part of your question a Movemen... View the full answer