In An Electric Battery How Is It Decided That Which Terminal Is Negative And Which Is Positive?
In an electric battry how is it decided that which terminal is negative and which is positive?
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The positive terminal has Red mark on it or around it and negative terminal has negative mark on it. Otherwise you can test it with tester, you put on terminal and check if its light is on then it is positive.
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If the terminal has + sign then it is positive and other is negative, if not then most of the batteries glow bulb with positive terminal as major if correct connection is maid.
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