ICSE Class 7 Physics Question 20 of 25

Energy — Question 20

Back to all questions
20
Question

Question 20

Give one relevant example for each of the following transformations of energy:

(i) Electrical energy to heat energy

(ii) Electrical energy to mechanical energy

(iii) Electrical energy to light energy

(iv) Chemical energy to heat energy

(v) Chemical energy to light energy

Answer

(i) Electric iron

(ii) Electric motor

(iii) Glowing bulb

(iv) Burning of wood

(v) Bursting of crackers