Current carrying wires

Use the hobby batteries and the waire to explore the magnetic field around a wire. CAUTION: The wire will get hot

Make a square loop of wire, about 20x 20 cm

Connect the ends to the hobby battery

Use the compass over the top and underneath the wire

Predict and then test the right hand grip rule.

Now use the retort stand to position a length of wire vertically.

Use the compass to examine the field circling the wire.