Self-Inductance & RL Transient — Previous-Year Questions
5 previous-year questions on Self-Inductance & RL Transient, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. A solenoid of 500 turns, length 0.25 m, area 4 × 10⁻⁴ m². Self-inductance:
JEE 2022Q2. If the turns of a solenoid are doubled keeping length and area unchanged, L becomes:
JEE 2021Q3. An inductor of 0.5 H carries a current of 4 A. Energy stored:
JEE 2020Q4. In an RL circuit (R = 4 Ω, L = 0.2 H), the time constant is:
JEE 2019Q5. Why is a flyback diode placed across a relay coil?
JEE 2018Self-Inductance & RL Transient 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.