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Standard XII

Physics

Wheatstone Bridge

Find the valu...

Question

Find the value of R in the given figure so that there is no current in the $10 Ω$ resistor.

10 Ω

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40 Ω

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20 Ω

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15 Ω

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Solution

The correct option is A $10 Ω$
For this Wheatstone bridge to be in the balanced condition, $20 \times 20 = R \times 40$
Implies, $R = 10 Ω$

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Find the value of R in the given figure so that there is no current in the 10Ω resistor.

The correct option is A 10 ΩFor this Wheatstone bridge to be in the balanced condition, 20×20=R×40 Implies, R=10 Ω

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The correct option is A $10 Ω$
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Implies, $R = 10 Ω$