Q24.Four resistances of 15 Ω, 12 Ω, 4 Ω and 10 Ω respectively in cyclic order to form Wheatstone’s network. The resistance that is to be connected in parallel with the resistance of 10 Ω to balance the network is ______________ Ω.
What This Question Tests
This problem requires applying the balance condition for a Wheatstone bridge and calculating the equivalent resistance of parallel resistors to achieve balance.
Concepts Tested
Formulas Used
R₁/R₂ = R₃/R₄ (balance condition)
1/R_eq = 1/R₁ + 1/R₂ (parallel)
📚 NCERT Sections This Tests
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📋 Question Details
- Chapter
- Current Electricity
- Topic
- Wheatstone bridge
- Year
- 2020
- Shift
- 08 Jan Shift 1
- Q Number
- Q24
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 3: Current Electricity
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