What is meant by an electric current ?
Electric current:
(a) What is meant by the chemical effect of electric current ? Explain with the help of an example. (b) Name any two applications of the chemical effect of electric current. (c) What is electrolysis ? Explain why, in the electrolysis of water, 'acidified water' is used.
What is meant by heating effect of electric current?
what is electricity, electric charges and electric current? what is meant by the term volts?
What is meant by magnetic effect of electric current? Who discovered it?