When unknown resistance and a resistance of 2ohm are used in left
and right gups of meter bridge the balance point is 50cm. The
balancing point if 2ohm resistance is connected in series to the resistor in the right gap
Answers
Answered by
0
Answer:
Resistance in right gap R=1Ω
Let the unknown resistance be P.
Balancing length l=20cm
Using Wheat-stone bridge equation,
R
P
=
100−l
l
∴
1
P
=
100−20
20
OR
1
P
=
80
20
⟹ P=
4
1
=0.25Ω
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Answer:
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0.25 ohm is ur answer...❤
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