Question

What is the advantage. of using LED in testing the electrical conductivity of liquids?​

Answer 1

Answer:

The advantage of using LEDs is because, they glow up even if very small amount of current passes through them.Read more on Sarthaks.com - https://www.sarthaks.com/821440/what-is-the-advantage-of-using-led-in-testing-the-electrical-conductivity-of-liquids

Answer 2

Answer:

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.