Current Electricity

CBSE Class 12 · Physics · 23 past questions

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1. Q5 2026

   A heating element using nichrome is connected to a 220 V supply. Initially it draws a current of 2.9 A. After…

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2. Q6 2025

   A student has three resistors, each of resistance R. To obtain a resistance of $\frac{2}{3}$R, she should…

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3. Q11 2024

   Find the temperature at which the resistance of a wire made of silver will be twice its resistance at…

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4. Q20 2023

   For a metallic conductor, the correct representation of variation of resistance R with temperature T is… (with a figure)

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