Alternating current \( (\mathrm{AC}) \) is used instead of direct c...

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Alternating current \( (\mathrm{AC}) \) is used instead of direct current (DC) for the measurement of conductivity of ionic solutions. This is because
(a) alternating current changes the composition of the solutions
(b) direct current changes the composition of the solution
- (c) direct current is more powerful
- (d) both (b) and (c)
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