1
JEE Main 2018 (Online) 15th April Morning Slot
+4
-1
The equivalent capacitance between $$A$$ and $$B$$ in the circuit given below, is :

A
$$2.4\,\mu F$$
B
$$4.9\,\mu F$$
C
$$3.6\,\mu F$$
D
$$5.4\,\mu F$$
2
JEE Main 2017 (Online) 9th April Morning Slot
+4
-1
A combination of parallel plate capacitors is maintained at a certain potential difference.

When a 3 mm thick slab is introduced between all the plates, in order to maintain the same potential difference, the distance between the plates is increased by 2.4 mm. Find the dielectric constant of the slab.
A
3
B
4
C
5
D
6
3
JEE Main 2017 (Offline)
+4
-1
A capacitance of 2 $$\mu$$F is required in an electrical circuit across a potential difference of 1.0 kV. A large number of 1 $$\mu$$F capacitors are available which can withstand a potential difference of not more than 300 V. The minimum number of capacitors required to achieve this is:
A
2
B
16
C
32
D
24
4
JEE Main 2016 (Online) 10th April Morning Slot
+4
-1
Figure shows a network of capacitors where the numbers indicates capacitances in micro Farad. The value of capacitance C if the equivalent capacitance between point A and B is to be 1 $$\mu$$F is :

A
$${{31} \over {23}}\,\mu F$$
B
$${{32} \over {23}}\,\mu F$$
C
$${{33} \over {23}}\,\mu F$$
D
$${{34} \over {23}}\,\mu F$$
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