A wire of resistance R is cut into 8 equal pieces. From these pieces two equivalent resistances are made by adding four of these together in parallel. Then these two sets are added in series. The net effective resistance of the combination is :
Series and parallel combination of resistors
Every question from past board papers on Series and parallel combination of resistors, newest paper first. Open any question for its full worked answer.
NEET UG 2025 question paper (official, booklet 45)
Full paper →NEET UG 2024 question paper (official, booklet S6)
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A wire of length 'l' and resistance 100 \(\Omega\) is divided into 10 equal parts. The first 5 parts are connected in series while the next 5 parts are connected in parallel. The two combinations are again connected in series. The resistance of this final combination is:
NEET UG 2023 question paper (official, booklet G6)
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10 resistors, each of resistance \(R\) are connected in series to a battery of emf \(E\) and negligible internal resistance. Then those are connected in parallel to the same battery, the current is increased \(n\) times. The value of \(n\) is :
NEET UG 2021 question paper (official, booklet M4)
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The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is 0.25 Ω. What will be the effective resistance if they are connected in series ?
NEET UG 2019 question paper (official, booklet P1)
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In the circuits shown below, the readings of the voltmeters and the ammeters will be :
