1
JEE Main 2021 (Online) 31st August Evening Shift
Numerical
+4
-1
A parallel plate capacitor of capacitance 200 $$\mu$$F is connected to a battery of 200 V. A dielectric slab of dielectric constant 2 is now inserted into the space between plates of capacitor while the battery remain connected. The change in the electrostatic energy in the capacitor will be ____________J.
2
JEE Main 2021 (Online) 31st August Morning Shift
Numerical
+4
-1
A capacitor of 50 $$\mu$$F is connected in a circuit as shown in figure. The charge on the upper plate of the capacitor is ______________$$\mu$$C.

3
JEE Main 2021 (Online) 18th March Morning Shift
Numerical
+4
-1
The circuit shown in the figure consists of a charged capacitor of capacity 3 $$\mu$$F and a charge of $$\mu$$C. At time t = 0, when the key is closed, the value of current flowing through the 5 M$$\Omega$$ resistor is 'x' $$\mu$$-A. The value of 'x to the nearest integer is ___________.

4
JEE Main 2021 (Online) 18th March Morning Shift
Numerical
+4
-1
A parallel plate capacitor has plate area 100 m2 and plate separation of 10 m. The space between the plates is filled up to a thickness 5 m with a material of dielectric constant of 10. The resultant capacitance of the system is 'x' pF.

The value of $$\varepsilon$$0 = 8.85 $$\times$$ 10$$-$$12 F.m$$-$$1.

The value of 'x' to the nearest integer is _____________.
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