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[Setup Time: 15 Min.] [Current Condition: Good]
A compass needle is deflected near a current-carrying wire. Reverse the flow of current and the needle also reverses direction.
1. Attach the power supply to the Oersted apparatus.
2. Place compass under the large display wire and make sure that the needle is parallel to the wire before the current is turned on; the needle should deflect different directions when the current flows in different directions.
Oersted Rectangular Wire in M1D
Car Battery near sink
Compass Needle (red) in L1D
Banana Plug Lead next to stand bench
DPDT Knife Switch in K1A
Power Cord in Cable Rack
Small Block in D2B
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