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why jockey should not be rubbed on a potentiometer wire ?

why jockey should not be rubbed on a potentiometer wire ?

Grade:upto college level

2 Answers

awesome
20 Points
7 years ago
maybe.......to avoid the spark..as seen in general cases.
ankit singh
askIITians Faculty 614 Points
one year ago
Because the rubbing of wire with jockey can change the uniformity of the cross sectional area of the wire and thereby affecting the fall of potential along with the wire. jockey should not be rubbed against potentiometer wire as it wil affect the cross sectional area of wire and hence final readings will get affected.

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