In a meter bridge, the balancing length from the left end (standard resistance of one ohm is in the right gap) is found to be 20 cm. The value of the unknown resistance is [CBSE PMT 1999; Pb PMT 2004]

In a meter bridge, the balancing length from the left end (standard re

1.	In a meter bridge, the balancing length from the left end (standard resistance of one ohm is in the right gap) is found to be 20 cm. The value of the unknown resistance is [CBSE PMT 1999; Pb PMT 2004]
A.	\[0.8\,\Omega \]
B.	\[0.5\,\Omega \]
C.	0.45 amp to the right
D.	\[0.25\,\Omega \]
Answer» E.

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In a meter bridge, the balancing length from the left end (standard resistance of one ohm is in the right gap) is found to be 20 cm. The value of the unknown resistance is [CBSE PMT 1999; Pb PMT 2004]

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