Question

A boy maintains an aquarium. On a cold day he puts a heater inside the aquarium to make water in it warm but after a few hours all the fishes die. what's the reason???

Answer 1

First of all the boy is mad as he put a heater into the water that draws large amount of current. Though water is a good conductor of electricity the fishes had got the shock and D. I. E

Answer 2

the fishes died of electric shock