Physics · 2025
JEE Main · 28 January 2025, Shift 2 · Q37
A parallel plate capacitor of capacitance 1 μ F is charged to a potential difference of 20 V. The distance between plates is 1 μ m. The energy…
A parallel plate capacitor of capacitance $\displaystyle 1 \mu \mathrm{~F}$ is charged to a potential difference of $\displaystyle 20$ V . The distance between plates is $\displaystyle 1 \mu \mathrm{~m}$. The energy density between plates of capacitor is.
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 1.8 \times 10^3 \mathrm{~J} / \mathrm{m}^3$
More from Capacitors
- Space between the plates of a parallel plate capacitor of plate area 4 cm^2 and separation of 1.77 mm, is filled with uniform dielectric materials…2025
- A capacitor P with capacitance 10 × 10^-6 F is fully charged with a potential difference of 6.0 V and disconnected from the battery. The charged…2026
- Under steady state condition the potential difference across the capacitor in the circuit is ____ V.2026
- The space between the plates of a parallel plate capacitor of capacitance C (without any dielectric) is now filled with three dielectric slabs of…2026
- A capacitor, C_1=6 μ F is charged to a potential difference of V_0=5 V using a 5V battery. The battery is removed and another capacitor, C_2=12 μ F…2025
- A parallel-plate capacitor of capacitance 40 μ F is connected to a 100 V power supply. Now the intermediate space between the plates is filled with a…2025
- The stored charge in the capacitor in steady state of the following circuit is ____ μ C.2026
- A parallel plate air capacitor has a capacitance C. When it is half filled as show in figure with a dielectric constant K=5, the percentage increase…2026
JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.