President Barack Obama (right) and James Comey (left) in the White House Rose Garden, Washington, D.C., June 21, 2013, as Obama announced Comey's nomination as FBI Director. The Director of the Federal Bureau of Investigation (FBI) is appointed by the President and, since 1972, confirmed by the Senate.
An electric bill is a bill for the consumption of electric energy.
, Electrical Circuits Enthusiast. Polarity is only a model of directional flow - i.e. where current flows from and to in an electrical circuit. This in mind, it's quite clear that changing polarities in either a purely resistive, an RC, RL, or RLC network affects pretty much nothing.