Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 6

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If two isolated charged metallic spheres of radii $R_{1}$ and $R_{2}$ having charges $Q_{1}$ and $Q_{2}$ , respectively, are connected to each other, then there is

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Important Questions on Capacitance

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Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 7

A parallel plate capacitor is charged and the charging battery is then disconnected. The plates of the capacitor are now moved, farther apart. The following things happen.

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Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 8

A parallel plate capacitor is charged and then isolated. On increasing the plate separation-

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Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 9

The value of one farad in e.s.u. is-

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Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 10

A parallel plate air capacitor is charged to a potential difference of

V

. After disconnecting the battery, the distance between the plates of the capacitor is increased using an insulating handle. As a result, the potential difference between the plates

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Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 11

The capacitance of a parallel plate capacitor is

10 μ F

when distance between its plates is

8 cm .

If distance between the plates is reduced to

4 cm,

its capacitance will be

-

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Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 12

Capacitance in farad of a spherical conductor with radius

1

metre is-

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Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 13

The capacitance of spherical conductor is given by-

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Alpha Question Bank for Medical: Physics>Chapter 23 - Capacitance>Exercise-1>Q 14

Eight drops of mercury of equal radii and each possessing the same charge combine to form a big drop. The capacitance of this big drop as compared to that of each smaller drop is