Define charging, discharging, specific resistance and Ohm’s law.
Charging:- It is the operation of the cell in which external source of current reverses the electrochemical cell reaction in order to restore the battery to its original fully charged state.
Discharging:- It is the operation of the cell in which current flows spontaneously from the battery into the external circuit.
Specific resistance:- It is the resistance offered by the conducting material having unit length and unit area of cross section.
Ohm’s law:- The strength of current (I) passing through a conductor is directly proportional to the potential difference (E) applied across the conductor & inversely proportional to the resistance (R) of a conductor.