Current Electricity

JEE Advanced · Physics · 33 past questions

6 of 33 · show all

1. Q1 2026 Paper 2

   A metal wire of cross-sectional area $0.5\ \text{mm}^2$ and length $100$ m is connected across a battery of…

   Try it →
2. Q10 2020 Paper 1

   Shown in the figure is a semicircular metallic strip that has thickness $t$ and resistivity $\rho$. Its inner… (with a figure)

   Try it →
3. Q16 2015 Paper 1

   In an aluminum (Al) bar of square cross section, a square hole is drilled and is filled with iron (Fe) as… (with a figure)

   Try it →
4. Q18 2014 Paper 1

   Heater of an electric kettle is made of a wire of length $L$ and diameter $d$. It takes 4 minutes to raise…

   Try it →
5. Q26 2010 Paper 1

   Consider a thin square sheet of side $L$ and thickness $t$, made of a material of resistivity $\rho$. The… (with a figure)

   Try it →
6. Q27 2010 Paper 1

   Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the…

   Try it →