Question

name a device which helps to maintain potential difference across a conductor say a bulb


​

Answer 1

Answer:

any devices like battery,cell,bulb helps to maintain potential difference across a conductor

Answer 2

Answer:

Battery or cell

Explanation:

Battery is the device which gives the kinetic energy to the electrons to flow in the circuit.

It maintains an emf for the electrons to flow from higher potential to the lower potential.