Alternating Current
Class 12 · Alternating Current · Practice
AC through Resistor — Previous-Year Questions
5 previous-year questions on AC through Resistor, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. A 100 Ω resistor is connected to a 220 V (rms), 50 Hz source. The rms current is:
JEE 2022Q2. Power dissipated in the same resistor is:
JEE 2021Q3. Phase difference between V and I in a pure resistor is:
JEE 2020Q4. For an AC source with V₀ = 50 V across R = 25 Ω, peak current is:
JEE 2019Q5. Average power in a pure resistive AC circuit equals:
JEE 2018AC through Resistor 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.