How to minimize the drift in the value of resistance measured using a Wheatstone bridge? Options: A . &nbspby using a high precision null detector B . &nbspby keeping the lead wire resistances within 0.2 mΩ C . &nbspby using a e.m.f source of minimum value D . &nbspby minimizing the flow of current

How to minimize the drift in the value of resistance measured using a Wheatstone

Question

How to minimize the drift in the value of resistance measured using a Wheatstone bridge?

Options:

A . by using a high precision null detector

B . by keeping the lead wire resistances within 0.2 mΩ

C . by using a e.m.f source of minimum value

D . by minimizing the flow of current

Answer: Option B
Answer: (b).by keeping the lead wire resistances within 0.2 mΩ

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