Current Electricity
Class 12 · Current Electricity · Practice

Ohm's Law & Circuits — Previous-Year Questions

5 previous-year questions on Ohm's Law & Circuits, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Q1. Three resistors of 3Ω each are connected in parallel. The equivalent resistance is:

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Q2. A 12V battery with internal resistance 1Ω is connected to a 5Ω resistor. Current in the circuit:

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Q3. Two resistors 2Ω and 3Ω in series are connected to 10V. Voltage across 3Ω:

JEE 2021

Q4. Power dissipated in a 4Ω resistor carrying 3A current is:

JEE 2018

Q5. A wire of resistance R is stretched to double its length. New resistance is:

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Ohm's Law & Circuits previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 12 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.