CTET PAPER II 2018 · PYQ · Physics / Electricity · medium
Sarika took distilled water in a bottle and tried to find whether it conducts electricity or not. What is she likely to find?
Answer
The correct answer is C: It is poor conductor of electricity.. Distilled water is a poor conductor of electricity because it lacks dissolved ions (salts and minerals) that are responsible for conducting electric current in water. Pure water has very few ions, making it a poor conductor.
A.It is good conductor of electricity.
B.It is an insulator.
C.It is poor conductor of electricity.✓ Correct
D.None of the above
Explanation
Distilled water is a poor conductor of electricity because it lacks dissolved ions (salts and minerals) that are responsible for conducting electric current in water. Pure water has very few ions, making it a poor conductor. However, it is not a perfect insulator either, since some water molecules do ionize slightly. Tap water, in contrast, conducts electricity well due to dissolved salts.
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