KC+CET PYQs for Electric Charges and Fields with Solutions: Practice KCET Previous Year Questions

Updated on - Feb 16, 2026

Electric Charges and Fields is an important topic in the Physics section in KCET exam. Practising this topic will increase your score overall and make your conceptual grip on KCET exam stronger.

This article gives you a full set of KCET PYQs for Electric Charges and Fields with explanations for effective preparation. Practice of KCET Physics PYQs including Electric Charges and Fields questions regularly will improve accuracy, speed, and confidence in the KCET 2026 exam.

KCET PYQs for Electric Charges and Fields with Solutions

1.
A uniform electric field E-3×10⁵NC^-1 is acting along the positive Y-axis. The electric flux through a rectangle of area 10cm × 30 cm whose plane is parallel to the Z-X plane is
- 12×10³ Vm
- 9×10³ Vm
- 15×10³ Vm
- 18×10³ Vm
View Solution
2.
A particle of mass $1 \, gm$ and charge $1 \, \mu C$ is held at rest on a frictionless horizontal surface at distance $1\,m$ from the fixed charge $2 \, mC$. If the particle is released, it will be repelled. The speed of the particle when it is at a distance of $10\,m$ from the fixed charge
- $60 \, ms^{-1}$
- $100 \, ms^{-1}$
- $90 \, ms^{-1}$
- $180 \, ms^{-1}$
View Solution
3.
Two identical conducting balls $A$ and $B$ have positive charges $q_1$ and $q_2$ respectively but $q_1 \ne q_2$ The balls are brought together so that they touch each other and then kept in their original positions. the force between them is
- less than that before the balls touched
- greater than that before the balls touched
- same as that before the balls toucher
- zero
View Solution
4.
A point charge 'q' is placed at the corner of a cube of side 'a' as shown in the figure. What is the electric flux through the face ABCD?
- 0
- $\frac{q}{ 24 \epsilon_{0} }$
- $\frac{q}{ 6 \epsilon_{0} }$
- $\frac{q}{ 72 \epsilon_{0} }$
View Solution
5.
A spherical conductor of radius $2 \,cm$ is uniformly charged with $3 \,nC$. What is the electric field at a distance of $3\, cm$ from the centre of the sphere ?
- $3\times10^{6} \,Vm^{-1}$
- $3\times10^{4} \,Vm^{-1}$
- $3\,Vm^{-1}$
- $3\times10^{-4} \,Vm^{-1}$
View Solution
6.
A cube of side 1 cm contains 100 molecules each having an induced dipole moment of 0.2×10^-6C-m in an external electric field of 4NC^-1. The electric susceptibility of the materials is_____ C2N^-1m^-2
- 50
- 5
- 0.5
- 0.05
View Solution
7.
The force of repulsion between two identical positive charges when kept with a separation 'r' in air is 'F' Half the gap between the two charges is filled by a dielectric slab of dielectric constant = 4. Then the new force of repulsion between those two charges becomes
- $\frac{F}{3}$
- $\frac{F}{2}$
- $\frac{F}{4}$
- $\frac{4F}{9}$
View Solution

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KCET PYQs for Electric Charges and Fields with Solutions

1.A uniform electric field E-3×105NC-1 is acting along the positive Y-axis. The electric flux through a rectangle of area 10cm × 30 cm whose plane is parallel to the Z-X plane is

2.A particle of mass $1 \, gm$ and charge $1 \, \mu C$ is held at rest on a frictionless horizontal surface at distance $1\,m$ from the fixed charge $2 \, mC$. If the particle is released, it will be repelled. The speed of the particle when it is at a distance of $10\,m$ from the fixed charge

3.Two identical conducting balls $A$ and $B$ have positive charges $q_1$ and $q_2$ respectively but $q_1 \ne q_2$ The balls are brought together so that they touch each other and then kept in their original positions. the force between them is

4.A point charge 'q' is placed at the corner of a cube of side 'a' as shown in the figure. What is the electric flux through the face ABCD?

5.A spherical conductor of radius $2 \,cm$ is uniformly charged with $3 \,nC$. What is the electric field at a distance of $3\, cm$ from the centre of the sphere ?

6.A cube of side 1 cm contains 100 molecules each having an induced dipole moment of 0.2×10-6C-m in an external electric field of 4NC-1. The electric susceptibility of the materials is_____ C2N-1m-2

7.The force of repulsion between two identical positive charges when kept with a separation 'r' in air is 'F' Half the gap between the two charges is filled by a dielectric slab of dielectric constant = 4. Then the new force of repulsion between those two charges becomes

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1.
A uniform electric field E-3×10⁵NC^-1 is acting along the positive Y-axis. The electric flux through a rectangle of area 10cm × 30 cm whose plane is parallel to the Z-X plane is

2.
A particle of mass $1 \, gm$ and charge $1 \, \mu C$ is held at rest on a frictionless horizontal surface at distance $1\,m$ from the fixed charge $2 \, mC$. If the particle is released, it will be repelled. The speed of the particle when it is at a distance of $10\,m$ from the fixed charge

3.
Two identical conducting balls $A$ and $B$ have positive charges $q_1$ and $q_2$ respectively but $q_1 \ne q_2$ The balls are brought together so that they touch each other and then kept in their original positions. the force between them is

4.
A point charge 'q' is placed at the corner of a cube of side 'a' as shown in the figure. What is the electric flux through the face ABCD?

5.
A spherical conductor of radius $2 \,cm$ is uniformly charged with $3 \,nC$. What is the electric field at a distance of $3\, cm$ from the centre of the sphere ?

6.
A cube of side 1 cm contains 100 molecules each having an induced dipole moment of 0.2×10^-6C-m in an external electric field of 4NC^-1. The electric susceptibility of the materials is_____ C2N^-1m^-2

7.
The force of repulsion between two identical positive charges when kept with a separation 'r' in air is 'F' Half the gap between the two charges is filled by a dielectric slab of dielectric constant = 4. Then the new force of repulsion between those two charges becomes