6 Questions
What happens to the electric field between two parallel plates when the distance between them is increased?
The electric field strength decreases
What is the SI unit of electric charge?
Coulomb
What is the formula to calculate the electric field intensity?
E = k * (q/r^2)
What happens to the electric force between two charges when the distance between them is doubled?
It becomes one-fourth
What is the SI unit of electric potential?
Volt
What does a positive test charge experience in an electric field?
Force in the direction of the field
Study Notes
Electric Field and Electric Charge
- When the distance between two parallel plates is increased, the electric field between them decreases.
- The SI unit of electric charge is the coulomb (C).
Electric Field Intensity
- The formula to calculate the electric field intensity is Electric field intensity = Force per unit positive test charge.
- Electric field intensity is a vector quantity and its unit is newton per coulomb (N/C).
Electric Force
- When the distance between two charges is doubled, the electric force between them is reduced to one-quarter of its original value, due to the inverse square law.
Electric Potential
- The SI unit of electric potential is the volt (V).
Electric Field and Test Charge
- A positive test charge placed in an electric field experiences a force in the direction of the electric field.
Test your understanding of electric charge and field concepts from the Class 12 physics curriculum with this quiz. Questions cover topics such as Coulomb's law, electric field intensity, and electric potential.
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