1
NEET 2023 Manipur
+4
-1

To produce an instantaneous displacement current of $$2 \mathrm{~mA}$$ in the space between the parallel plates of a capacitor of capacitance $$4 ~\mu \mathrm{F}$$, the rate of change of applied variable potential difference $$\left(\frac{\mathrm{dV}}{\mathrm{dt}}\right)$$ must be :-

A
$$800 \mathrm{~V} / \mathrm{s}$$
B
$$500 \mathrm{~V} / \mathrm{s}$$
C
$$200 \mathrm{~V} / \mathrm{s}$$
D
$$400 \mathrm{~V} / \mathrm{s}$$
2
NEET 2023
+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
3
NEET 2022 Phase 2
+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
4
NEET 2022 Phase 2
+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
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