4.What is the principle of an electric cell?
Giye three examples of natural luminous
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1
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Examples of luminous objects are:
the sun. flame in a lamp. tube light. electric bulb.
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An electrical cell is an "electrical power supply". It converts stored chemical energy into electrical potential energy, allowing positive charges to flow from the positive terminal to the negative one through an external circuit. This is called a current. ... Actually, any charged particle will do the job.
Stars,Sun,fireflies are the three examples of natural luminous objects
Explanation:
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