Question

answer the following questions correct plzzzzzzzzz see image questions full (( NEET exam questions ))

Answer 1

A good potentiometer is one which has a large sensitivity. That statement means that for a given voltage that potentiometer is preferred which has a larger length. As you can see that X has a smaller change in length for a given change in voltage than Y that is why it is not preferred. Instead if we see Y, it has a much larger length for a small change in voltage. Ereby we can imply that Y is more sensitive. That is why Y is preferred.

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Answer 2

A potentiometer is that which has large insensitivity and a greater length and small resistance. As you can see in the fig. Y has the larger length than X and large insensitivity. So we will prefer Y.
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