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PhysicsNEET 2022Kirchhoff's rules, Wheatstone bridge, potentiometer

Current Electricity

A Wheatstone bridge is used to determine the value of an unknown resistance XX by adjusting the variable resistance YY as shown in the figure. For the most precise measurement of XX, the resistances PP and QQ:

Question 41 as printed in the NEET 2022 booklet

  1. A.Do not play any significant role
  2. B.Should be approximately equal to 2X2X
  3. C.Should be approximately equal and are small✓
  4. D.Should be very large and unequal

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

More from this chapter in past papers

From Physics › Current Electricity › Kirchhoff's rules, Wheatstone bridge, potentiometer — lectures, notes and every past question on it.

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