Ohm's Law & Resistance: JEE Questions & Solutions
8 previous-year JEE Physics questions on Ohm's Law & Resistance, each with a worked step-by-step solution.
Previous-year questions
- 01
An electric power line having total resistance of 2, delivers 1 kW of power at 250 V. The percentage efficiency of the transmission line is.
MCQEasyJEE 2026 - 02
An electric toaster has resistance of 60 at room temperature (27^ C). The toaster is connected to a 220 V supply. If the current flowing…
MCQEasyJEE 2024 - 03
A galvanometer having coil resistance 10 shows a full scale deflection for a current of 3 mA. For it to measure a current of 8 A, the value…
MCQEasyJEE 2024 - 04
At room temperature (27^ C), the resistance of a heating element is 50. If the temperature coefficient of the material is 2.4 10^-4 ^ C^-1,…
MCQEasyJEE 2024 - 05
Ratio of thermal energy released in two resistors R and 3R connected in parallel in an electric circuit is:
MCQEasyJEE 2023 - 06
JEE Main 2023 Questions with Solutions The H amount of thermal energy is developed by a resistor in 10 s when a current of 4 A is passed…
MCQEasyJEE 2023 - 07
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: For measuring the…
MCQEasyJEE 2023 - 08
The length of a metallic wire is increased by 20 and its area of cross-section is reduced by 4. The percentage change in resistance of the…
NVAEasyJEE 2023
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