Tag Archives: best notes

MAGNETIC EFFECTS OF ELECTRIC CURRENT

Magnetic effects of electric current Ques.1 State the properties of magnet? Ans.1 Magnets are of many shapes-bar magnet, hours shoes magnet, round magnet etc. A magnet has 2 poles- South pole and north pole unlike poles attract and like poles repel. Magnetic field line emerge from north and enter the south pole.   Ques.2 Draw… Read More »

SOURCES OF ENERGY

Sources of Energy QUES.1 What are Sources of energy? Ans. 1  A substance that provides us with energy in the form of heat,light etc. is  known as sources of energy. E.g Coal, petroleum, wood. Ques.2 State various types of sources of energy. Difference between them? Ans.2 Renewable Non-Renewable These are called alternative sources of energy… Read More »