a hair dryer operates at 1800 watts along with a 240 watt power resistor connected in series. Utilizing a 120 volt source, determine the follwoing....
a) the current I and total resistance R of the circuit
b) the individual resistance Ri and the voltage drop Vi across each compenent in the circuit
c) the cost of operating the circuit if it were left running for one week at a rate of 9.2 cents per KWH