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Bhabesh Bordoloi Grade:
        

can a low resistance be measured by a metre bridge?give reason

6 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear student,


The resistance can be found with the help of the following relation





where s is the resistance per unit length of the wire and l1 is the length of the wire from one end where null point is obtained. The bridge is most sensitive when null point is somewhere near the middle point of the wire. This is due to end resistances.


 













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Sagar Singh


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6 years ago
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