1. Our body is a ………………….. of electricity.
2. An electric cell produces electricity from the ………………….. in it.
3. In an electric circuit a fuse is a ………………….. to prevent possible fire.
4. A combination of two or more cells is called a ………………….. .
5. The coil of wire in an electric heater is called an ………………….. .
6. The wire gets ………………….. when an electric current passes through it.
7. We must look for ………………….. mark on electrical appliances.
8. When electric current passes through a wire, it behaves like a magnet. It is the ………………….. effect of current.
9. Crane has a strong ………………….. attached to it.
10. In a simple pendulum, the metallic ball suspended by thread is called its …………………
11. The distance covered by an object in a ………………… is called its speed.
12. Time period of a pendulum depends on its …………………
13. Motion of objects can be presented in pictorial form by their ………………… graph.
14. The distance-time graph for the motion of an object moving with a constant speed is a …………………
15. A simple pendulum takes 84 sec. to complete 40 oscillations. What is its time period?
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