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  3. 8th Class
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8th Class Science Sample Paper Science Sample Paper-10

  • question_answer
    Why is Seema suggested Reema to use LED instead of bulb in testing a tester thrown liquid having low electrical conductivity?

    Answer:

    Seema suggested Reema to do so, because in liquids, the passage of electricity is not too much high to light up a bulb. An LED has availability to glow even if the current is low. That is why LED is used to test electrical conductivity in liquids.


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