Current through a potentiometer wire decrease then null point will be obtained for:
Correct answer: A. The lower length of wire than before
- A. The lower length of wire than before
- B. The higher length of wire than before
- C. The same length of wire
- D. None of the above
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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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