20 JEE Main 2025 Current Electricity previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 previous-year questions from the Current Electricity chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Current Electricity chapter hub.
Which of the following resistivity ( ρ ) v / s temperature (T) curves is most suitable to be used in wire bound standar…
A wire of resistance 9 Ω is bent to form an equilateral triangle. Then the equivalent resistance across any two vertice…
From the combination of resistors with resistance values R₁=R₂=R₃=5 Ω and R₄=10 Ω, which of the following combination i…
What is the current through the battery in the circuit shown below
A motor operating on 100 V draws a current of 1 A. If the efficiency of the motor is 91.6 \%, then the loss of power in…
The battery of a mobile phone is rated as 4.2 V , 5800 mAh. How much energy is stored in it when fully charged ?
Two cells of emf 1 V and 2 V and internal resistance 2 Ω and 1 Ω, respectively, are connected in series with an externa…
A wire of resistance R is bent into an equilateral triangle and an identical wire is bent into a square. The ratio of r…
Given below are two statements : Statement-I : The equivalent emf of two nonideal batteries connected in parallel is sm…
The net current flowing in the given circuit is_______ A.
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