P.D stands for:
Correct answer: A. Potential difference
- A. Potential difference
- B. Potential deviation
- C. Power difference
- D. Power dissipated
Explanation
Potential difference is the difference in the amount of energy that charge carriers have between two points in a circuit. Potential difference (p.d.) is measured in volts (V) and is also called voltage.
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About Current Electricity
Steady current relates charge flow to potential difference, resistance and resistivity, including how temperature changes a conductor's resistance. Sources with internal resistance have terminal voltage below their emf when delivering current, and maximum power output occurs under a specific load condition rather than at zero resistance.
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