MEDIUM
12th Karnataka Board
IMPORTANT
Earn 100

Discuss the various properties of conductors in electrostatic equilibrium.

Important Questions on Electrostatic Potential and Capacitance

MEDIUM
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 1
In a parallel plate capacitor with air between the plates, each plate has an area of  6×10-3 m2 and the distance between the plates is 3 mm. Calculate the capacitance of the capacitor. If this capacitor is connected to a 100 V supply, what is the charge on each plate of the capacitor?
EASY
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 2
Sketch a graph to show how the charge Q acquired by a capacitor of capacitor C varies with increase in potential difference between its plates.
MEDIUM
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 3
What is the net charge on a charged capacitor?
HARD
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 4
An electrical technician requires a capacitance of 2 μF in a circuit across a potential difference of 1kV. A large number of 1 μF capacitors are available with him. Each of which can withstand a potential difference of not more than, 400 V. Suggest a possible arrangement that requires minimum number of capacitors to achieve the required combination.
EASY
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 7

A parallel plate capacitor with air as medium is charged to a potential difference V using a source (battery). Without disconnecting the battery air medium is replaced by a dielectric medium of dielectric constant  εr. Explain with reasons the changes observed in Charge.

MEDIUM
12th Karnataka 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.
HARD
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 34
Define electric potential. Write its SI unit and give an example in which electric potential is zero, but electric field is not zero and also give an example in which electric potential is non-zero or uniform, but electric field is zero.
MEDIUM
12th Karnataka Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 2 - Electrostatic Potential and Capacitance>Exercise>Q 35
A point charge q moves from a point P to a➔ point S along the path PQRS in a uniform electric field Eacting along the positive direction of X-axis. The coordinatesof the points P, Q, Rand Sare (a, b, 0), (2a, 0, 0), (a, -b, 0)and (0, 0, 0) respectively. Find the work done by the field inthe process.