What is potentiometer ?
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6
Answer:
Explanation:IT IS an instrument for measuring an electromotive force by balancing it against the potential difference produced by passing a known current through a known variable resistance
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4
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1.
an instrument for measuring an electromotive force by balancing it against the potential difference produced by passing a known current through a known variable resistance.
2.
a variable resistor with a third adjustable terminal. The potential at the third terminal can be adjusted to give any fraction of the potential across the ends of the resistor.
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