The power is an electrical circuit is given by the equation P = i^2R, where I is the current flowing through the circuit and R is the resistance of the circuit. What is the power in a circuit that has a current of 0.1 amps and a resistance of 18 ohms?
A. 1.8 watts
B. 0.1 watts
C. 180 watts
D. 0.18 watts