An electrically heating coil was Placed in a calorimeter containing 360 gm of water at 10°C. The coil consumes energy at the rate of 90 watts. The water equivalent of the calorimeter and the coil is 40 gm. The temperature of the water after 10 minutes is : (approx.) J = 4.2 Joule/cal)
1
42.14°C
2
32.14°C
3
36.14°C
4
48°C