Assignment:
Question 1. If an electric circuit contains only an ordinary resistor, all the work done by the electric current appears as:
A) light
B) rotary motion
C) chemical action
D) heat
Question 2. Two 10.0 ohm resistors are connected in parallel, and this combination is connected in series with a third 10.0 ohm resistor. The resistance of this network is
A) 10.0 ohms
B) 5.0 ohms
C) 15.0 ohms
D) 20.0 ohms