1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The electrostatic force between the metal plates of an isolated parallel plate capacitor C having a charge Q and area A, is
A
Independent of the distance between the plates
B
Linearly proportional to the distance between the plates
C
Proportional to the square root of the distance between the plates
D
Inversely proportional to the distance between the plates
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
A capacitor is charged by a battery. The battery is removed and another identical unchanged capacitor is connected in parallel. The total electrostatic energy of resulting system
A
decreases by a factor of 2
B
remains the same
C
increases by a factor of 2
D
increases by a factor of 4
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
A parallel-plate capacitor of area a, plate separation d and capacitance C is filled with four dielectric materials having dielectric constants k1, k2, k3 and k4 as shown in the figure. If a single dielectric material is to be used to have the same capacitance C in this capacitor, then its dielectric constant k is given by
NEET 2016 Phase 2 Physics - Capacitor Question 29 English
A
k = k1 + k2 + k3 + 3k4
B
k = $${2 \over 3}$$ (k1 + k2 + k3) + 2k4
C
$${2 \over k}$$ = $${3 \over {{k_1} + {k_2} + {k_3}}} + {1 \over {{k_4}}}$$
D
$${1 \over k}$$ = $${1 \over {{k_1}}} + {1 \over {{k_2}}} + {1 \over {{k_3}}} + {3 \over {2{k_4}}}$$
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
A capacitor of 2 $$\mu $$F is charged as shown in the diagram. When the switch S is turned to position 2, the percentage of its stored energy dissipated is
NEET 2016 Phase 1 Physics - Capacitor Question 28 English
A
75%
B
80%
C
0%
D
20%
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