EASY
12th CBSE
IMPORTANT
Earn 100
Why does the capacitance of a conductor increase, when an earth connected conductor is brought near it? Briefly explain.
Important Questions on Electrostatic Potential and Capacitance
EASY
12th CBSE
IMPORTANT
What is a capacitor? Explain its principle.
MEDIUM
12th CBSE
IMPORTANT
Derive an expression for the capacitance of a parallel plate capacitor.
EASY
12th CBSE
IMPORTANT
Distinguish between polar and non-polar dielectrics. Give one example of each.
EASY
12th CBSE
IMPORTANT
Three capacitors of capacitances and are connected in series. Find their equivalent capacitance.
MEDIUM
12th CBSE
IMPORTANT
Three capacitors of capacitances and are connected in parallel. Find their equivalent capacitance.
EASY
12th CBSE
IMPORTANT
Write the expression for the electrostatic energy stored in a capacitor of capacitance and having charge . How will the energy stored inside the capacitor be affected when it is completely filled with a dielectric material of dielectric constant ?
EASY
12th CBSE
IMPORTANT
Write the expression for the electrostatic energy stored in a capacitor of capacitance and having charge . How will the electric field inside the capacitor be affected when it is completely filled with a dielectric material of dielectric constant ?
MEDIUM
12th CBSE
IMPORTANT
If two charged conductors are touched mutually and then separated, prove that the charges on them will be divided in the ratio of their capacitances.
