A 25-W Soldering Iron Runs on 110 V Dc $0.0020 \Omega$

A 25-W soldering iron runs on 110 V dc. What is its resistance?

A) $0.0020 \Omega$
B) $2.8 \mathrm { k } \Omega$
C) $0.48 \mathrm { k } \Omega$
D) $4.4 \Omega$