Phy 214 Quiz 12 Wed. 2-6-08

1. Predict the approximate compass deflection angle in compass 2.

2. Well, we’ll just put this bluntly. When the switch is thrown, who dies and why?

3. In a circuit with one battery, connecting wires, and a 12 cm length of nichrome wire, a compass deflection of 16° is observed. What compass deflection would you expect in a circuit containing three batteries in series, connecting wires, and a 48 cm length of nichrome wire that has twice the cross-sectional area as the first?