Heater 1 takes 10 minutes to increase temperature of liquid

Last updated: 6/12/2023

Heater 1 takes 10 minutes to increase temperature of liquid A of mass 2kg by 20 C when connected with 200 V supply Heater 2 takes 20 minutes to increase temperature of liquid B of mass 4 kg by 20 C when connected with 400 V supply Given Specific heat of liquid A 6000 J kg C Specific heat of liquid B 12000 J kg C Select correct option s A The power of heater 1 is 400 watt B The resistance of heater 2 is 200 C If both heaters are connected in series to a 300 V supply then time taken to increase temperature of liquid A by 30 C is 20 min D If both heaters are connected is parallel to a 300 V supply then time taken to increases temperature of liquid B by 27 C is 16 min