2. Rita set up an experiment using liquid A in the beaker as shown. Sheobserved that the bulb glows. Then she replaced the liquid A by anotherliquid B. This time the bulb did not glow. Sonu suggested replacing thebulb by an LED. They observed that the LED glows. Explain?
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liquid B produced less voltage
Explanation:i am assume that rita used common bulb in liquid A.liquid A being more ionic and an strong electrolyte produced greater voltage and hence the bulb had glowed. When she replaced it with liquid B,liquid B being less ionic produced less voltage and the bulb didn't glow(as the bulb voltage requirement is higher).But led having the ability to work at an low voltage the led glowed.
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