Two resistance are connected in two gaps of a metre bridge. The balance point is 20 cm…
Physics · NEET · NTA Exams — Current Electricity
Two resistance are connected in two gaps of a metre bridge. The balance point is 20 cm from the zero end. A resistance of 15 Ω is connected in series with the smaller of the two. The point shifts to 40 cm. The value of the smaller resistance in ohm is:
- 3
- 6
- 9
- 12
Answer
(B) 6
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