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JEE Advance2007
Paper-1
Question
A resistance of $2 \Omega$ is connected across one gap of a metre-bridge (the length of the wire is 100 cm ) and an unknown resistance, greater than $2 \Omega$, is connected across the other gap. When these resistance are interchanged, the balance point shifts by 20 cm . Neglecting any corrections, the unknown resistance is
Select the correct option:
A
$3 \Omega$
B
$4 \Omega$
C
$5 \Omega$
D
$6 \Omega$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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