1
JEE Main 2022 (Online) 27th June Evening Shift
Numerical
+4
-1

A parallel plate capacitor is made up of stair like structure with a plate area A of each stair and that is connected with a wire of length b, as shown in the figure. The capacitance of the arrangement is $${x \over {15}}{{{ \in _0}A} \over b}$$. The value of x is ____________.

2
JEE Main 2022 (Online) 27th June Morning Shift
Numerical
+4
-1

A capacitor of capacitance 50 pF is charged by 100 V source. It is then connected to another uncharged identical capacitor. Electrostatic energy loss in the process is ___________ nJ.

3
JEE Main 2022 (Online) 25th June Morning Shift
Numerical
+4
-1

The equivalent capacitance between points A and B in below shown figure will be __________ $$\mu$$F.

4
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.
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