The simplest way to maintain a potential difference between the two ends of a conductor, so as to get a continuousflow of current is to connect the conductor between the terminals of a ________.

Correct option is D

The correct answer is (d) Battery.
· A battery is the simplest and most common way to maintain a potential difference between two ends of a conductor, allowing a continuous flow of electric current.
· The battery creates this potential difference by converting chemical energy into electrical energy, ensuring that the current flows from the positive terminal to the negative terminal through the conductor
· . This flow of current continues as long as the battery is functioning and the circuit remains closed.
Information Booster:
· Voltmeter: An instrument used to measure the potential difference between two points in an electric circuit but does not generate or maintain potential difference.
· Ammeter: A device used to measure the electric current flowing through a circuit, but it does not provide potential difference.
· Rheostat: A variable resistor used to control the current flow in a circuit by adjusting resistance but is not a source of potential difference.