MEDIUM
12th ICSE
IMPORTANT
Earn 100

The capacitance of a charged conductor is C farad and its potential energy due to the charge is U. Write down the expression for the charge on the conductor.

Important Questions on Capacitors and Dielectrics

MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 22
Two copper spheres of equal radii, one hollow and the other solid are charged to the same potential. Which one does carry more charge?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 23
Can there be a potential difference between two close conductors of the same volume carrying equal positive charges?
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 24
How will the electric field between the plates of a charged parallel-plate capacitor be affected, if the space between the plates is filled with a dielectric of dielectric constant 2?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 25
What is the dielectric constant of a metal? Give reason.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 26
A ‘thin’ metallic plate is placed between the parallel plates of a capacitor. What will be its effect on the capacitance? (by ‘thin’ is meant here that the plate is of negligible thickness).
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 27
Two capacitances C1 and C2 are connected in parallel. If a charge Q be given to this system, in what ratio will it be distributed on them? If the capacitances were connected in series, then?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 1
On what factors does the capacitance of a parallel-plate capacitor depend?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 2
How can you increase the capacitance of a parallel-plate capacitor?