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MHT CET202012 Oct 2020Morning ShiftPhysicsCurrent ElectricityActual

In meter bridge experiment, to minimize an error due to contact resistance,

Options

  1. Ause non-uniform meter bridge wire.
  2. Brepeat the experiment by interchanging the resistance in gaps.
  3. Cincrease the current flowing through meter bridge wire.
  4. Dchanging the value of known resistance in the gap.

Correct answer

B. repeat the experiment by interchanging the resistance in gaps.

Step-by-step solution

by interchanging the positions of known and unknown resistance.

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