Question

find out the energy change in following devices? (a)bulb(b)motor(c)generator(d)electric heater​

Answer 1

Answer:

a) bulb - electrical energy to heat and light energies (heat energy is also released due to the heating effect of electricity or in other terms, due to the resistance in the filament)

b) motor - electrical energy to kinetic energy.

c) generator - kinetic energy to mechanical energy

d) electric heater - electricity to heat energy