Question

you have seen that heating effect of current can be put to good use can you think of situations where this effect results in wasteage of enery

Answer 1

Yes the heating effect of electric current can also have some drawbacks like-
# If we have to transmit electric energy to far away places it reduces because of heating effect
# some times when excess current flows through the wire it melts because of heating effect of electric current
hope it helps you...