Correct Option is (B)
Energy stored in a charged capacitor is
As per given condition, when, ,
1. ⇒ (MHT CET 2023 12th May Evening Shift )
If the charge on the capacitor is increased by 3 coulombs, the energy stored in it increases by . The original charge on the capacitor is
A. 10 C
B. 15 C
C. 20 C
D. 25 C
Correct Option is (B)
Energy stored in a charged capacitor is
As per given condition, when, ,
2. ⇒ (MHT CET 2023 12th May Morning Shift )
In the given capacitive network the resultant capacitance between point and is
A. 8 F
B. 4 F
C. 2 F
D. 16 F
Correct Option is (B)
In the given circuit, and are in series and
and are in parallel and
Equivalent circuit is as shown in figure.
Now, and are in series and their combination in parallel with
Now, and are in series,
3. ⇒ (MHT CET 2023 12th May Morning Shift )
The equivalent capacity between terminal and is
A.
B.
C.
D.
Correct Option is (D)
Now, and are connected in parallel,
4. ⇒ (MHT CET 2023 12th May Morning Shift )
The potential on the plates of capacitor are and . The charge on the plate is . The capacitance of the capacitor is
A. 2 F
B. 1 F
C. 4 F
D. 0.5 F
Correct Option is (B)
5. ⇒ (MHT CET 2023 11th May Evening Shift )
Two spherical conductors of capacities and are charged to same potential having radii and respectively. If '' and '' represent surface density of charge on respective conductors then is
A.
B.
C.
D.
Correct Option is (C)
We know,
As both the charged spheres are at the same potential, the charge on both spheres is
The charge densities of both spheres are
Similiarly,
Taking the ratios,