A direct current (dc) of 5A dissipates a power P in a resistor. Which peak value of the alternating current (ac) will dissipate an average power P in the same resistor?

A.  5A

B.  \(\frac{5}{2}{\text{A}}\)

C.  \(\frac{5}{{\sqrt 2 }}{\text{A}}\)

D.  \({\text{5}}\sqrt 2 \,{\text{A}}\)

D