if the following material are kept in between the cell and the bulb of a torch what will happen Aluminium foil ,rubber sheet, paper ,coin.
Answers
Answer:
The bulb will glow when aluminium and coin are placed but will not glow when rubber sheet and paper are placed
Explanation:
This is because Aluminium and coin are conductors of electricity ie they let electricity pass through them. Whereas rubber sheet and paper are insulators ie they do not allow electricity to flow through them.
Hope it helps you...
Answer:
We use electricity for many purposes to make our tasks easier. For example, we use electricity to operate pumps that lift water from wells or from ground level to the roof top tank. What are other purposes for which you use electricity List some of them .
Does your list include the use of electricity for lighting Electricity makes it possible to light our homes, roads, offices, markets and factories even after sunset. This helps us to continue working at night. A power station provides us with electricity. However, the supply of electricity may fail or it may not be available at some places. In such situations, a torch is sometimes used for providing light.