How does the nichrome wire become red hot while passing electricity through the circuit ?

Keep two carbon rods immersed in copper sulphate solution.Then pass electricity through the solution: At which electrode does colour change occur anode or cathode?

If a current of 0.5 ampere flows through a metallic wire for two hours, then how many electrons flow through the wire?

Take 25 ml water in a beaker and the pass electricity through it. Then add little sulphuric acid init: Why electricity didn't pass through pure water?

Take 25 ml water in a beaker and the pass electricity through it. Then add little sulphuric acid in it: Complete the equation

Take Cupricchloride (CuCl_2) solution in a 'beaker.Dip two graphite rod in it. Pass 5V electricity through it: Write one word for the process of chemical change happening in a Electrolyte while passing Electricity?

The direction of the flow of current through electric circuit is

Power of an electric heater working in 230 V is 1000W. Calculate the heat produced if the current passes for 5 minutes through the circuit .