Practice portal › JEE › Electromagnetic Waves

Displacement Current for JEE: 10 solved questions

Real JEE paper questions on displacement current, part of electromagnetic waves. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2021 to 2026. No sign-in needed to read them.

What this topic asks

• Displacement current equals conduction current — 5 questions
• Capacitor on an a.c. source — 3 questions
• Current density in a conducting medium — 2 questions

All 10 questions with solutions

• Which one of the following is not a measurable quantity? JEE Main 28th Jan 2nd Shift 2026
• A time varying potential difference is applied between the plates of a parallel plate capacitor of capacitanc… JEE Main 23rd Jan 2nd Shift 2025
• The displacement current of 4.425 μA is developed in the space between the plates of parallel plate capacitor… JEE Main 29th June 2nd Shift 2022
• A displacement current of 4.0 A can be set up in the space between two parallel plates of 6 μF capacitor. The… JEE Main 5th April 1st Shift 2026
• An alternating voltage of amplitude 40 V and frequency 4 kHz is applied directly across the capacitor of 12 μ… JEE Main 5th April 1st Shift 2024
• A parallel plate capacitor has a capacitance C = 200 pF. It is connected to 230 V ac supply with an angular f… JEE Main 1st Feb 1st Shift 2024
• AC voltage V(t) = 20 sin ω t of frequency 50 Hz is applied to a parallel plate capacitor. The separation betw… JEE Main 20th July 1st Shift 2021
• An electromagnetic wave of frequency 100 MHz propagates through a medium of conductivity, σ = 10 mho/m. The r… JEE Main 21st Jan 2nd Shift 2026
• Sea water at a frequency f = 9 × 10² Hz, has permittivity ε = 80ε₀ and resistivity ρ = 0.25 Ω m. Imagine a pa… JEE Main 17th March 2nd Shift 2021
• A parallel plate capacitor of area A = 16 cm² and separation between the plates 10 cm, is charged by a DC cur… JEE Main 22nd Jan 2nd Shift 2025