A well-insulated water tank can hold 200 Liters of water and contains an electrical element that draws a direct current (I_dc) of 10A from a power source with a voltage (V) of 100V. assuming a tank of water containing 200 Liters of water at 20 deg C has no heat loss from the tank, what Temperature is the water in the tank 7 hours after the electrical heater is switched on. (using SI units)