Three resistors having resistances r1, r2 and r3 are connected as shown in the given circuit. The ratio i3/i1 of currents in terms of resistances used in the circuit is :

NEET UG 2021 · Physics · Question 49

NEET 2021 Physics, question 49

Question 49 of the NEET 2021 paper (code O1) is a Physics question from Current Electricity. Its idea, Parallel Resistors and Current Divider, was asked 4 times, in 2018, 2021 and 2025, across NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q49 · Physics

r_1

The figure, described in words

Between A and B: r1 in series (current i1) with a parallel pair r2 (current i2, upper) and r3 (current i3, lower).

\frac{r_1}{r_1+r_2}

Official answer: option 4 · NTA final answer key

Same idea

Parallel Resistors and Current Divider, in other papers

NEET asked this idea 4 times, in 2018, 2021 and 2025. The other 3 questions below.

2025 Q 6 The current passing through the battery in the given circuit, is: Figure-based \cdot Medium 2025 Q 33 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\dots Numerical \cdot Easy 2018 Q 6 A set of 'n' equal resistors, of value 'R' each, are connected in series to a battery of emf 'E' and internal resistance 'R'. The current\dots Numerical \cdot Medium

Parallel Resistors and Current 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.

Chapter analysis Study this chapter Practise this chapter

Parallel Resistors and Current Divider, in other papers

Current Electricity in ten years of NEET

Current Electricity: questions per paper