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Find equivalent capacitance between X and Y, if each capacitor is 4 μ F .

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Important Questions on Electrostatic Potential and Capacitance

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CUET (UG)
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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 113
Three capacitors of capacitance 1.0 μF, 2.0 μF and 5.0 μF are connected in series to a 10 V source. The potential difference across the 2.0 μF capacitor is
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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 114

In the arrangement of capacitors shown in the figure, if each capacitor is 9 pF, then the effective capacitance between the points A and B is

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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 115
In a charged capacitor, the energy resides in
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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 116
The capacity of a capacitor is 4×10-6 F and its potential is 100 V. The energy released on discharging it fully will be
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CUET (UG)
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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 117
A capacitor is charged by using a battery which is then disconnected. A dielectric slab is then slipped between the plates, which results in:-
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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 118

The energy stored in a capacitor is in the form of

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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 119
If the potential of a capacitor having capacity 6 μF is increased from 10 V to 20 V, then increase in its energy is
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CUET (UG)
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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 120
A parallel plate capacitor having a plate separation of 2 mm is charged by connecting it to a 300 V supply. The energy density is