Question
The given circuit shows a uniform straight wire A B of 40 cm length fixed at both ends. In order to get zero reading in the galvanometer G, the free end of J is to be placed from B at:
NEET
Physics
Current Electricity
2024
NEET 2024 (Re-NEET)
NEET Physics Question (2024) — Solution
Options
- A. 32 cm
- B. 8 cm
- C. 16 cm
- D. 24 cm
Answer
D. 24 cm
Step-by-step solution
8 x = 12 40-x 2 x = 3 40-x 80-2 x=3 x 16=x from B =40-16=24 ~cm
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