why do we need two terminals negative and positive did the energy that was given to bulb used up ?? please explain me ,,, Share with your friends Share 0 Ved Prakash Lakhera answered this positive and negative terminals are provided in a battery or cell to complete the electric circuit .Energy given to a bulb is not used up rather it gets converted from chemical to light and heat energyaccording to law of conversion of energy from one form to another different forms. 0 View Full Answer
