Match the following: Column-A Column-B 1) Dry cell (a) converts electricity to heat 2) Oven (b) converts chemicals to electricity 3) Bulb (c) breaks and joins a circuit 4) Switch (d) converts electricity to light.

1-b The source of electric current in a torch is the dry cell. In dry cells chemicals are stored, which reacts and produce electricity. Electric current is the movement or the flow of electrons. 2-a Protons, neutrons and electrons have their own property called the electric charge. In ovens, the electricity is converted into heat energy. This helps to the food to become hot. 3-d Bulb is an example for electrical appliance. The bulb has a glass case mounted on a metallic base. Inside the glass case we can see a thin wire coil called filament. The light bulb are filled with an inert gas such as argon to prevent the filament from reacting with air. 4-c A switch is a device which can break or connect the circuit, so that electric current can flow when required. Column-A Column-B 1)Dry cell (b)converts chemicals to electricity 2)Oven (a)converts electricity to heat 3)Bulb (d) converts electricity to light. 4)Switch (c)breaks and joins a circuit

A dry cell is a type of electric battery. The dry cells have different sizes and different capacities. Each cell has two terminals - positive and negative. In dry cells, chemicals are stored, which react and produce electricity. This runs the electrical devices. When these chemicals are used up or exhausted, we have to throw away the cell.

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New Learning Science 6>Chapter 13 - Electricity>EXERCISES>Q C

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A dry cell has number of terminals.

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Important Questions on Electricity

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New Learning Science 6>Chapter 13 - Electricity>EXERCISES>Q D

Match the following:

Column-A	Column-B
1) Dry cell	(a) converts electricity to heat
2) Oven	(b) converts chemicals to electricity
3) Bulb	(c) breaks and joins a circuit
4) Switch	(d) converts electricity to light.