An Electric Device,which Heats Water by Immersing a Resistance Wire $\Omega$

Multiple Choice

An electric device,which heats water by immersing a resistance wire in the water,generates 50 cal of heat per second when an electric potential difference of 12 V is placed across its leads.What is the resistance of the heater wire? (Note: 1 cal = 4.186 J)

A) 0.94 $\Omega$
B) 0.81 $\Omega$
C) 0.58 $\Omega$
D) 0.69 $\Omega$
E) 1.5 $\Omega$