JEE Main Physics · Current Electricity
Resistivity and Geometry
Resistivity and Geometry (Current Electricity) was asked 3 times in 3 JEE Main shifts, 2020–2023, out of the 42 shifts Lumi analysed. 2 of the 3 had a numerical answer.
- Times asked
- 3
- in 3 shifts
- Years
- 2020–2023
- Usual format
- Numerical value
- Calculation
- Pattern
- Comes in cycles
- repeats across shifts
How it is asked
- Percentage change in resistance
- New diameter for equal resistance
Difficulty
Easy 2Medium 1Hard 0
Where it sits
Chapter: Current Electricity. Topic: Ohm's Law and Resistance, 25 questions over 13 ideas.
Other repeat ideas in this topic
Every time it came
All 3 questions
Newest first, each with its options and official answer.
- 6 Apr 2023, Shift 1 · Q55The length of a metallic wire is increased by 20% and its area of cross section is reduced by 4%. The percentage change in resistance of…EasyNumerical value
- 25 Jul 2022, Shift 1 · Q58Eight copper wire of length and diameter are joined in parallel to form a single composite conductor of resistance . If a…EasyNumerical value
- 2 Sep 2020, Shift 1 · Q12Consider four conducting materials copper, tungsten, mercury and aluminium with resistivity , , and …MediumSingle correct