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1
JEE Main 2022 (Online) 29th June Morning Shift
+4
-1
English
Hindi

A parallel plate capacitor filled with a medium of dielectric constant 10, is connected across a battery and is charged. The dielectric slab is replaced by another slab of dielectric constant 15. Then the energy of capacitor will :

A
increase by 50%
B
decrease by 15%
C
increase by 25%
D
increase by 33%
2
JEE Main 2022 (Online) 27th June Morning Shift
+4
-1
English
Hindi

A force of 10 N acts on a charged particle placed between two plates of a charged capacitor. If one plate of capacitor is removed, then the force acting on that particle will be.

A
5 N
B
10 N
C
20 N
D
Zero
3
JEE Main 2022 (Online) 26th June Evening Shift
+4
-1
English
Hindi

The charge on capacitor of capacitance 15$$\mu$$F in the figure given below is :

A
60$$\mu$$c
B
130$$\mu$$c
C
260$$\mu$$c
D
585$$\mu$$c
4
JEE Main 2022 (Online) 26th June Evening Shift
+4
-1
English
Hindi

A parallel plate capacitor with plate area A and plate separation d = 2 m has a capacitance of 4 $$\mu$$F. The new capacitance of the system if half of the space between them is filled with a dielectric material of dielectric constant K = 3 (as shown in figure) will be :

A
2$$\mu$$F
B
32$$\mu$$F
C
6$$\mu$$F
D
8$$\mu$$F
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