The rate of heat dissipation in an AC circuit with resistance, R, and effective current, Iᵣₘₛ, is given by which of the following?
a) 0.5 ( Iᵣₘₛ)²2R
b) ( Iᵣₘₛ)²2R
c) 2.0 ( Iᵣₘₛ)²2R
d) 4.0 ( Iᵣₘₛ)²2R