Show Me The Physics
Current & Compass Needles
Change the current through a wire and watch nearby compasses respond.
Make a prediction
Which compass will change direction the most when you turn up the current? Decide before you enter.
Enter Game
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Challenge 1 of 3
Turn the top compass at least 35° away from north.
Try it
Compasses around a current carrying wire
Eight compass needles around a wire. Change current to observe their direction.
WIRE
No current
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TOP VIEW
Current
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0.0 A
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Red needle tip points northward