Question

what do you understand by potential difference is 9volt?​

Answer 1

Answer:

Potential difference is the difference in the amount of energy that charge carriers have between two points in a circuit. Measured in Volts: Potential difference (p.d.) is measured in volts (V) and is also called voltage.

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Answer 2

Answer:hii,

Potential difference is the difference in the amount of energy that charge carriers have between two points in a circuit.