Physics

Problem

31. A hair dryer is rated as

1200 \mathrm{~W}, 120 \mathrm{~V}

. Its effective internal resistance is (A)

0.1 \Omega

(B)

10 \Omega

(C)

12 \Omega

(D)

120 \Omega

(E)

1440 \Omega

(A)

0.1 \Omega

(B)

10 \Omega

(C)

12 \Omega

(D)

120 \Omega

(E)

1440 \Omega