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JEE Main 2025 (Online) 29th January Evening Shift
Numerical
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-1
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A parallel plate capacitor consisting of two circular plates of radius 10 cm is being charged by a constant current of 0.15 A . If the rate of change of potential difference between the plates is $7 \times 10^8 \mathrm{~V} / \mathrm{s}$ then the integer value of the distance between the parallel plates is

$\left(\right.$ Take, $\left.\epsilon_0=9 \times 10^{-12} \frac{\mathrm{~F}}{\mathrm{~m}}, \pi=\frac{22}{7}\right)$ ____________ $\mu \mathrm{m}$.

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2
JEE Main 2025 (Online) 23rd January Evening Shift
Numerical
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-1
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At steady state the charge on the capacitor, as shown in the circuit below, is _________ $\mu$C.

JEE Main 2025 (Online) 23rd January Evening Shift Physics - Capacitor Question 9 English

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3
JEE Main 2024 (Online) 6th April Evening Shift
Numerical
+4
-1
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A capacitor of $$10 \mu \mathrm{F}$$ capacitance whose plates are separated by $$10 \mathrm{~mm}$$ through air and each plate has area $$4 \mathrm{~cm}^2$$ is now filled equally with two dielectric media of $$K_1=2, K_2=3$$ respectively as shown in figure. If new force between the plates is $$8 \mathrm{~N}$$. The supply voltage is ________ V.

JEE Main 2024 (Online) 6th April Evening Shift Physics - Capacitor Question 17 English

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4
JEE Main 2024 (Online) 5th April Morning Shift
Numerical
+4
-1
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The electric field between the two parallel plates of a capacitor of $$1.5 \mu \mathrm{F}$$ capacitance drops to one third of its initial value in $$6.6 \mu \mathrm{s}$$ when the plates are connected by a thin wire. The resistance of this wire is ________ $$\Omega$$. (Given, $$\log 3=1.1$$)

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