What is the advantage of using LED in testing the electrical conductivity of liquids...
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What is the advantage of using LED in testing the electrical conductivity of liquids...
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Answer:
LED works even if the current is low whereas the bulb doesn't glow if the current is weak.
like while testing the conductivity of lemon juice.
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Explanation: because in liquids ,the electricity passes is not too much high to light up a bulb . And an LED has ability to glow even if the current is low . that's why LED is used to test electrical conductivity in liquids.