JEE Physics
Resistivity & Conductivity: JEE Questions & Solutions
11 previous-year JEE Physics questions on Resistivity & Conductivity, each with a worked step-by-step solution.
Previous-year questions
- 01Which of the following resistivity (ρ) vs temperature (T) curves is most suitable to be used in wire-bound standard resistors?MCQEasyJEE 2025
- 02A wire of length 25 m and cross-sectional area 5 mm² having resistivity 2 × 10⁻⁶ Ω · m is bent into a complete circle. The resistance…MCQEasyJEE 2025
- 03An electric toaster has resistance of 60 Ω at room temperature (27^° C). The toaster is connected to a 220 V supply. If the current flowing…MCQEasyJEE 2024
- 04At room temperature (27^°C), the resistance of a heating element is 50 Ω. If the temperature coefficient of the material is 2.4 × 10⁻⁴…MCQEasyJEE 2024
- 05A hollow cylindrical conductor has a length of 3.14 m, while its inner and outer diameters are 4 mm and 8 mm, respectively. The resistance…NVAEasyJEE 2023
- 06If a copper wire is stretched to increase its length by 20%. The percentage increase in resistance of the wire is:NVAEasyJEE 2023
- 07A uniform metallic wire carries a current 2 A. When a 3.4 V battery is connected across it, the mass of the wire is 8.92 × 10⁻³ kg, density…MCQMediumJEE 2023
- 08The resistance of a wire is 5 Ω. If it's stretched to 5 times of its original length, its new resistance will be:MCQEasyJEE 2023
- 09A rectangular parallelepiped is measured as 1 cm × 1 cm × 100 cm. If its specific resistance is 3 × 10⁻⁷ Ω-m, then the resistance between…NVAEasyJEE 2023
- 10A wire of resistance 160 Ω is melted and drawn into a wire of one-fourth of its length. The new resistance of the wire will be:MCQEasyJEE 2023
- 11The current flowing through a conductor connected across a source is 2 A and 1.2 A at 0^°C and 100^°C respectively. The current flowing…NVAMediumJEE 2023
Frequently asked questions
Our bank has 11 previous-year JEE Physics questions tagged to Resistivity & Conductivity, drawn from JEE papers between 2023 and 2025, including 2 from 2025 alone. Each comes with a full step-by-step solution.
Resistivity & Conductivity is rated Basic overall for JEE Physics. The PYQs on this page break down as 9 easy, 2 medium.
Of the 11 previous-year questions on Resistivity & Conductivity, 7 are multiple-choice (MCQ) and 4 are numerical-value (NVA) questions.
Based on recent paper analysis, Resistivity & Conductivity is worth about 1 mark in JEE Main. It sits in Current Electricity, a Class 12 Physics chapter.
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