Solve the problem.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate
of power when
of current is flowing through the resistor whose resistance is
find the power that a resistor needs to dissipate when
/> of current are flowing through a resistor whose resistance is
A. 324 watts
B. 72 watts
C. 144 watts
D. 36 watts
Answer: C
Mathematics