SELECT * FROM question_mgmt as q WHERE id=6674 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=12 AND subId=16 AND chapterId=377 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 8th science Chemical Effects of Electric Current a tester is used to check the conduction of electr

Question:

A tester is used to check the conduction of electricity through two liquids, labeled 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

(i) liquid A is a better conductor than liquid B.
(ii) liquid B is a better conductor than liquid A.
(iii) both liquids are equally conducting.
(iv) conducting properties of liquid cannot be compared in this manner.

Answer:

(i) Liquid A is better conductor than liquid B

The amount of electric current flowing through a conducting solution always depends on the conductor of the solution. More current can pass through the solution with more conductivity and vice versa. So, the conductivity of liquid A is more than liquid B.


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