STATE THE ENERGY CHANGES TAKING PLACE IN THE FOLLOWING CASES:
A) During Photosynthesis
B) During digestion
C) During burning of crackers
D) During charging of a battery
e) an electric fan in use
Answers
Answer:
Explanation:
energy changes to the following forms in the given cases -
the energy changes from chemical energy to electrical energy in an electric cell.
the energy changes to smoke and heat in a petrol engine of a running car
the electrical energy is converted to heat energy in an electric toaster.
magnetic energy is converted to electrical energy in an electromagnet.
the light energy is changed to to electrical energy in a photovoltaic cell or solar panel.
the the electrical energy is converted to sound energy using magnets in a loudspeaker.
the water is converted into heat energy in a steam engine.
acoustical energy is converted to to electrical energy in a microphone.
electrical energy is converted into heat energy in a glowing bulb.
the highly imflamable carbon is converted to heat energy in a burning coal.
solar cell and the photo voltaic cell is the same and they convert the light energy to electrical energy.
the biological energy is converted to heat energy in a biogas burner.