1
MHT CET 2023 9th May Morning Shift
+1
-0

The capacitance of a parallel plate capacitor is $$2.5 ~\mu \mathrm{F}$$. When it is half filled with a dielectric as shown in figure, its capacitance becomes $$5 ~\mu \mathrm{F}$$. The dielectric constant of the dielectric is A
7.5
B
3
C
4
D
5
2
MHT CET 2023 9th May Morning Shift
+1
-0

The ratio of potential difference that must be applied across parallel and series combination of two capacitors $$C_1$$ and $$C_2$$ with their capacitance in the ratio $$1: 2$$ so that energy stored in these two cases becomes same is

A
$$3: \sqrt{2}$$
B
$$\sqrt{2}: 3$$
C
$$2: 9$$
D
$$9: 2$$
3
MHT CET 2023 9th May Morning Shift
+1
-0

The potential energy of charged parallel plate capacitor is $$v_0$$. If a slab of dielectric constant $$\mathrm{K}$$ is inserted between the plates, then the new potential energy will be

A
$$\frac{v_0}{\mathrm{~K}}$$
B
$$v_0 \mathrm{~K}^2$$
C
$$\frac{v_0}{\mathrm{~K}^2}$$
D
$$\mathrm{v}_0^2$$
4
MHT CET 2021 21th September Evening Shift
+1
-0

Two identical parallel plate air capacitors are connected in series to a battery of emf '$$\mathrm{V}$$'. If one of the capacitor is inserted in liquid of dielectric constant '$$\mathrm{K}$$' then, potential difference of the other capacitor will become

A
$$\frac{\mathrm{K}-1}{\mathrm{KV}}$$
B
$$\frac{\mathrm{K}+1}{\mathrm{KV}}$$
C
$$\left(\frac{\mathrm{KV}}{\mathrm{K}+1}\right)$$
D
$$\frac{\mathrm{KV}}{\mathrm{K}-1}$$
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
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Algebra
Trigonometry
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Coordinate Geometry
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