CURRENT AFFAIRS

Detailed explanation-1: -FALSE-Batteries produce energy through a exothermic chemical reaction. When a battery no longer works, the ability of its chemical reaction to produce products and energy has become limited by the depletion of reaction and the build up of products. It has not run out of charge; it has run of out chemical reactants.

Detailed explanation-2: -True. Electromotive force is the driving force in an electric circuit, which pushes the electrons carrying the charge around the circuit. This force is created by an electric cell or a battery.

Detailed explanation-3: -Which one of the following is true about the electrical circuit in your flashlight? The Role of a Battery: The role of a battery (or cell) in an electric circuit is to supply energy to the circuit by doing work upon the charge to move it from the low energy terminal to the high energy terminal.

Detailed explanation-4: -When an electrochemical cell no longer works, it is out of charge and must be recharged before it can be used again. b. An electrochemical cell can be a source of charge in a circuit. The charge that flows through the circuit originates in the cell.

Detailed explanation-5: -no, in a circuit used to charge a battery, the battery absorb power.