1
NEET 2023
MCQ (Single Correct Answer)
+4
-1

The equivalent capacitance of the system shown in the following circuit is:

A
3$$\mu$$F
B
6$$\mu$$F
C
9$$\mu$$F
D
2$$\mu$$F
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The distance between the two plates of a parallel plate capacitor is doubled and the area of each plate is halved. If C is its initial capacitance, its final capacitance is equal to

A
$${C \over 4}$$
B
2C
C
$${C \over 2}$$
D
4C
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The effective capacitances of two capacitors are 3 $$\mu$$F and 16 $$\mu$$F, when they are connected in series and parallel respectively. The capacitance of two capacitors are :

A
1.2 $$\mu$$F, 1.8 $$\mu$$F
B
10 $$\mu$$F, 6 $$\mu$$F
C
8 $$\mu$$F, 8 $$\mu$$F
D
12 $$\mu$$F, 4 $$\mu$$F
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

A capacitor of capacitance C = 900 pF is charged fully by 100 V battery B as shown in figure (a). Then it is disconnected from the battery and connected to another uncharged capacitor of capacitance C = 900 pF as shown in figure (b). The electrostatic energy stored by the system (b) is

A
4.5 $$\times$$ 10$$-$$6 J
B
3.25 $$\times$$ 10$$-$$6 J
C
2.25 $$\times$$ 10$$-$$6 J
D
1.5 $$\times$$ 10$$-$$6 J
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