NEET UG 2019 · Physics · Question 17
NEET 2019 Physics, question 17
Question 17 of the NEET 2019 paper (code P1) is a Physics question from Current Electricity. Its idea, Bulb Brightness in Series and Parallel, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q17 · Physics
Six similar bulbs are connected as shown in the figure with a DC source of emf E, and zero internal resistance.
The ratio of power consumption by the bulbs when (i) all are glowing and (ii) in the situation when two from section A and one from section B are glowing, will be :
The figure, described in words
Circuit: section A has three bulbs in parallel, section B has three bulbs in parallel; A and B connected in series across a DC source E.
- 14 : 9
- 29 : 4Official answer
- 31 : 2
- 42 : 1
Official answer: option 2 · NTA final answer key
Same idea
The only question on Bulb Brightness in Series and Parallel
No other NEET paper from 2017–2026 tested this exact idea.
Bulb Brightness in Series and Parallel: 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.