Physics · Current Electricity
A Wheatstone bridge is used to determine the value of an unknown resistance X by adjusting the variable resistance Y. For the most precise measurement of X, the remaining ratio arm resistances P and Q:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Should be very large and unequal
- 2Should be approximately equal and are small✓
- 3Should be approximately equal to 2X
- 4Do not play any significant role
Correct answer
Should be approximately equal and are small
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