Write the S.I. unit for potential gradient.

Important Questions on Electrostatic Potential and Capacitance

MEDIUM

12th Uttar Pradesh Board

IMPORTANT

Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 10

What is meant by electric potential? Write its formula due to a point charge and its S.I. unit.

EASY

12th Uttar Pradesh Board

IMPORTANT

Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 11

Define electric potential difference. Distinguish between potential difference and potential.

MEDIUM

12th Uttar Pradesh Board

IMPORTANT

Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 12

Discuss the basic properties of electric charges.

EASY

12th Uttar Pradesh Board

IMPORTANT

Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 13

A parallel plate capacitor having area of each plate $1\mathit{ }{\mathit{m}}^2$ and electric field between plates is $100\mathit{ }\mathit{V}/\mathit{m}.$ Find magnitude of charge on each plate.

MEDIUM

12th Uttar Pradesh Board

IMPORTANT

Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 14

Two conducting plates $A$ and $B$ are parallel. $A$ is given a charge $Q_1$ and $B$ is given a charge $Q_2$. The charge on the inner side of B is

MEDIUM

12th Uttar Pradesh Board

IMPORTANT

Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 15

A capacitor of capacitance $15 \mathrm{pF}$ is charged with voltage $500 \mathrm{V}.$ The electric field inside the capacitor with dielectric is ${10}^6\mathrm{ }\mathrm{V} {\mathrm{m}}^{-1}$ and area of capacitor plates is ${10}^{-4}{\mathrm{ m}}^2,$ then the dielectric constant of medium is: (${\epsilon }_0=8.85\times {10}^{-12}$ in S.I. units)

EASY

12th Uttar Pradesh Board

IMPORTANT

Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 16

Four metal plates are arranged as shown in the figure. Capacitance between $X$ and $Y$ ($A\to$ Area of each plate, $d\to$ distance between the plates) is

EASY

12th Uttar Pradesh Board

IMPORTANT

Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 17

A parallel plate capacitor is of area $6 c{m}^2$ and a separation $3 mm.$ The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constant $K_1=10, K_2=12$ and $K_3=14.$ The dielectric constant of a material which when fully inserted in above capacitor, gives same capacitance would be: