While demonstrating an experiment to show
whether the given liquid conduct electricity or
not to class VIII students, teacher reminded
everybody that one should not conduct
experiment with the electric supply from the
mains or a generator or an inverter. They
should use electric cells for the activity.
(a) Do liquids conduct electricity?
(b) Why we should not use electric source
from mains generator or an inverter?
Answers
Answer:
(a) Yes, liquids which are solutions of acids, bases and salts conduct electricity. Other liquids such as oil, alcohol, sugar solution and pure water do not conduct electricity.
(b) Current flowing from mains, generator or an inverter is very large. So to avoid the chances of elec-trocution and short-circuit we must use cells for experiments.
(c) We get awareness of not using main electric supply and precaution to be followed while doing experiment.
Answer:
a) Yes, liquids which are solutions of acids, bases, and salts conduct electricity. Other liquids such as oil, alcohol, sugar solution, and pure water do not conduct electricity.
(b) Current flowing from mains, generator or an inverter is very large. So to avoid the chances of electrocution and short-circuit we must use cells for experiments.
(c) We get the awareness of not using main electric supply and precaution to be followed while doing the experiment
Explanation: