Mathematics · Current Electricity
In a meter bridge, the null point is located at 20 cm from the left end of the wire when resistances R and S are connected in the left and right gaps respectively. If the resistance S is shunted with a 60 Ω resistance, the null point shifts by 5 cm towards the right. Find the values of R and S respectively.
- 120 Ω, 5 Ω
- 25 Ω, 20 Ω✓
- 36 Ω, 24 Ω
- 424 Ω, 6 Ω
Correct answer
5 Ω, 20 Ω
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