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NEET 2022 Physics and Chemistry

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Question : 48

Total: 100

A wheatstone bridge is used to determine the value of unknown resistance X by adjusting the variable resistance Y as shown in the figure. For the most precise measurement of X, the resistances P and Q

Should be approximately equal to 2X
Should be approximately equal and are small
Should be very large and unequal
Do not play any significant role

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