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Answer:
The principle of a potentiometer is that the potential dropped across a segment of a wire of uniform cross-section carrying a constant current is directly proportional to its length. The potentiometer is a simple device used to measure the electrical potentials (or compare the e.m.f of a cell).
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Answer:
C. The lower legs are levers, and the knees are fulcrums. The ankles hold the loads.
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Answer:
A
Explanation:
if he goes to the west, the east is opposite so 100-30
Answer: C) Increase the amplitude of the wavelenghth to increase the intensity.
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