Physics · 2025
NEET 2025 · 4 May · Code 45 · Q33
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…
A wire of resistance R is cut into $\displaystyle 8$ 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 :
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle \frac{R}{16}$
More from Current Electricity
- The current passing through the battery in the given circuit, is:2025
- A wire of length ' l ' and resistance 100 Ω is divided into 10 equal parts. The first 5 parts are connected…2024
- In a metre bridge experiment (see figure), the positions of the cell, E, and galvanometer, G, are…2026
- Two heaters A and B have power rating of 1 kW and 2 kW, respectively. Those two are first connected in series…2024
- Consider two circuits, and, each having two resistors. One of them has a positive temperature coefficient of…2026
- A constant voltage of 50 V is maintained between the points A and B of the circuit shown in the figure. The…2025
- A room heater is rated 400 W, 220 V. If the supply voltage drops to 200 V, what will be the power consumed…2026
- A uniform metallic wire having resistance 4 Ω is bent to form a square loop (ABCD) (see figure). A resistance…2026
NEET (UG) 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.