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Solution for A Tester is Used to Check the Conduction of Electricity Through Two Liquids, Labelled a and B. It is Found that the Bulb of the Tester Glows Brightly for Liquid a While It Glows Very Dimly for Liquid B. You Would Conclude that - CBSE Class 8 - Science

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Question

A tester is used to check the conduction of electricity through two liquids, labelled A and B. It is found that the bulb of the tester glows brightly for liquid A while it glows very dimly for liquid B. You would conclude that

(1) liquid A is a better conductor than liquid B.

(2) liquid B is a better conductor than liquid A.

(3) both liquids are equally conducting.

(4) conducting properties of liquid cannot be compared in this manner.

Solution

 Liquid A is a better conductor than liquid B.

The amount of current flowing through a conducting solution depends on the conductivity of the solution. With more conductivity, more current passes through the solution and vice-versa. Hence, the conductivity of liquid A is more than the conductivity of liquid B.

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Science Textbook For Class 8 (2013 to Current)
Chapter 14: Chemical Effects of Electric Current
Q: 5 | Page no. 181
Solution A Tester is Used to Check the Conduction of Electricity Through Two Liquids, Labelled a and B. It is Found that the Bulb of the Tester Glows Brightly for Liquid a While It Glows Very Dimly for Liquid B. You Would Conclude that Concept: Conductor of Electricity: Liquid.
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