1
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
$$\frac{\mathrm{KV}}{\mathrm{K}-1}$$
2
MHT CET 2021 21th September Evening Shift
+1
-0

A condenser of capacity '$$\mathrm{C}_1$$' is charged to potential '$$\mathrm{V}_1$$' and then disconnected. Uncharged capacitor of capacity '$$\mathrm{C}_2$$' is connected in parallel with '$$\mathrm{C}_1$$'. The resultant potential '$$\mathrm{V}_2$$' is

A
$$\frac{V_1 C_2}{C_1}$$
B
$$\frac{\mathrm{C}_2}{\mathrm{C}_1+\mathrm{C}_2}$$
C
$$\frac{C_1 V_1}{C_2}$$
D
$$\frac{C_1 V_1}{C_1+C_2}$$
3
MHT CET 2021 21th September Morning Shift
+1
-0

The resultant capacity between points A and B in the given circuit is

A
C
B
$$\mathrm{\frac{C}{3}}$$
C
3C
D
2C
4
MHT CET 2021 21th September Morning Shift
+1
-0

An air filled parallel plate capacitor has a capacity $$2 \mathrm{~pF}$$. The sepeartion of the plates is doubled and the interspace between the plates is filled with dielectric material, then the capacity is increased to $$6 ~\mathrm{pF}$$. The dielectric constant of the material is

A
3
B
6
C
2
D
4
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