Ncert Exercises & Solutions

Given below are two statements:

Assertion (A):	For measuring the resistance of an ionic solution an AC source is used.
Reason (R):	Concentration of ionic solution will change if DC source is used.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.