In the figure four identical plates 1, 2, 3 and 4 are placed at x = 0, d, 2d and 3d respectively. Graph shows variation of potential with position of plates. Capacitance of any one capacitor is C. Then equivalent capacitance between plates 1 and 3 is

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Q.
In the figure four identical plates 1, 2, 3 and 4 are placed at x = 0, d, 2d and 3d respectively. Graph shows variation of potential with position of plates. Capacitance of any one capacitor is C. Then equivalent capacitance between plates 1 and 3 is

1 $\frac{C}{2}$

2 $3 C$

3 $\frac{3 C}{2}$

4 $2 C$

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(4)

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Solution

Q. In the figure four identical plates 1, 2, 3 and 4 are placed at x = 0, d, 2d and 3d respectively. Graph shows variation of potential with position of plates. Capacitance of any one capacitor is C. Then equivalent capacitance between plates 1 and 3 is

1 C2

2 3C

3 3C2

4 2C

Ans. (4)