A 200W lamp is totally immersed in 1500gm of water. How much will the temperature of the wtaer rise in 3 mins? Neglect heat losses from the water.
Please don't put names in the subject...you limit yourself to who can respond, when others may be able and available. Again, please stop posting under different names.
Energy= mass*specificheatwater*deltaTEmp
where energy equal watts*timeinSeconds