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It is claimed that the strips S and S1 serve two purposes I. to decide the end points of the wire and II. To keep the wires in place, then
(a) both I and II are important
(b) I is more important than II
(c) II is more important than I
(d) both are equally important
It is claimed that the strips S and S1 serve two purposes I. to decide the end points of the wire and II. To keep the wires in place, then
(a) both I and II are important
(b) I is more important than II
(c) II is more important than I
(d) both are equally important
Correct option (b) I is more important than II
Explanation:
When the end points of the wire are known accurately, the readings of the potentiometer will be trustworthy. So it is more important to decide the end points of the wire than to keep the wires in place.