Electricity is very important for all of us. It is very important for us to study various fundamentals of electrical. How it is generated, transmitted and distributed. What are the applications of various electric machines like AC motor, DC Motor and also the role of transformer. Science (Physics, Chemistry and Biology) particularly for class 10 students is very important to understand as it generates the platform for their higher studies. If base is clear to them , only then they can understand various fundamentals of science in higher classes. +2 Physics is very important as it lays the foundations for understanding various phenomenons occuring in our daily day to day life. It helps to understand the concepts of magnetism, dipole, torque and also elementary parts of electricity. So as a whole i can say that these three subjects play a crucial role in ithe development of brain and personality of an individual.