Q27.In meter bridge experiment for measuring unknown resistance ' S ', the null point is obtained at a distance 30 cm from the left side as shown at point D. If R is 5. 6 kΩ, then the value of unknown resistance ' S ' will be _____ Ω.
What This Question Tests
This question is a straightforward application of the meter bridge principle (Wheatstone bridge) to find an unknown resistance given the null point and a known resistance.
Concepts Tested
Formulas Used
R/S = l/(100-l)
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📋 Question Details
- Chapter
- Current Electricity
- Topic
- Meter Bridge
- Year
- 2022
- Shift
- 27 Jul Shift 1
- Q Number
- Q27
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 3: Current Electricity
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