why LED is used in place of bulb in a tester.
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LED bulbs can detect very weak flow of current
therefore it is used as tester
hope it helps you
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therefore it is used as tester
hope it helps you
mark as brainliest please
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led is used in place of bulb in tester because it is small in size , also of low volt , controlled with resistance, and it's light can be observed easily in tester.....
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