NEET UG 2021 · Physics · Question 3
NEET 2021 Physics, question 3
Question 3 of the NEET 2021 paper (code O1) is a Physics question from Current Electricity. Its idea, Series Resistors and Voltage Divider, was asked 4 times, in 2021, 2023 and 2024, across NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q3 · Physics
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 ?
- 11 Ω
- 24 ΩOfficial answer
- 30.25 Ω
- 40.5 Ω
Official answer: option 2 · NTA final answer key
Same idea
Series Resistors and Voltage Divider, in other papers
NEET asked this idea 4 times, in 2021, 2023 and 2024. The other 3 questions below.
- 2024 Q35A wire of length '' and resistance 100 Ω is divided into 10 equal parts. The first 5 parts are connected in series while the next 5…Numerical · Medium
- 2023 Q3If the galvanometer does not show any deflection in the circuit shown, the value of is given by :Figure-based · Medium
- 2023 Q4010 resistors, each of resistance are connected in series to a battery of emf and negligible internal resistance. Then those are…Numerical · Easy
Series Resistors and Voltage Divider: every question and how it was framed
The chapter
Current Electricity in ten years of NEET
34 questions from 2017–2026, asked in 10 of 10 papers, about 3.2 a paper. Ohm's Law and Resistance alone had 28.