when its lid is open. In how much time will water heated to 77C with the lid open ? (specific heat of water = 4.2 kJ/C-kg)

Sahay Sir > Question Answers > when its lid is open. In how much time will water heated to 77C with the lid open ? (specific heat of water = 4.2 kJ/C-kg)
A kettle with 2 litre water at 27C is heated by operating coil heater of power 1 kW. The heat is lost to the atmosphere at constant rate 160 J/s, when its lid is open. In how much time will water heated to 77C with the lid open ? (specific heat of water = 4.2 kJ/C-kg)
06
Sep
A kettle with 2 litre water at 27C is heated by operating coil heater of power 1 kW. The heat is lost to the atmosphere at constant rate 160 J/s, when its lid is open. In how much time will water heated to 77C with the lid open ? (specific heat of water = 4.2 [...]
Posted in: Cengage JEE Mains Physics by B.M Sharma , Chapter 13 - Thermal Expansion, Calorimetry and Transmission of Heat ,
Tags: A kettle with 2 litre water at 27C is heated by operating coil heater of power 1 kW. The heat is lost to the atmosphere at constant rate 160 J/s , when its lid is open. In how much time will water heated to 77C with the lid open ? (specific heat of water = 4.2 kJ/C-kg) ,