What is the S.I. unit of electric susceptibility?

Important Questions on Electrostatic Potential and Capacitance

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 74

For a polar molecule, which of the following statements is true?

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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 75

A pure capacitor in an AC circuit,

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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 76

A capacitor of capacitance $\mathrm{C}$ is charged to a potential $\mathrm{V}$. The flux of the electric field through a closed surface enclosing the capacitor is

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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 77

A capacitor connected to a $10 \mathrm{V}$ battery collects a charge of $40$ $\mathrm{\mu }$$\mathrm{C}$ with air as dielectric and $100 \mathrm{\mu C}$ with a given oil as a dielectric. The dielectric constant of the oil is

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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 78

Four metal conductors are having different shapes, as follows
1. sphere
2. cylinder
3. pear
4. lightning conductor
These conductors are charged and mounted on insulating stands. The one which is best suited to retain the charges for a longer time is 

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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 79

The charge on a capacitor plate in a circuit, as a function of time, is shown in the figure:

What is the value of current at $t=4 \mathrm{s}?$

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Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 80

A parallel combination of  $\text{0.1 M}\Omega$resistor and a 10 $\mu \text{F}$  capacitor is connected across a $1.5 \mathrm{V}$ source of negligible resistance. The time required for the capacitor to get charged up to $0.75 \mathrm{V}$ is approximately (in a second)

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IMPORTANT

Achieve CUET (UG) Physics Practice Book>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 81

A thin metallic wire is joined between both the plates of parallel plate capacitor as shown in diagram. The capacitance of the system will be -