MEDIUM
12th ICSE
IMPORTANT
Earn 100

If the dielectric medium is a solid substance then is there any other advantage of it in addition to an increase in the capacitance? 

Important Questions on Capacitors and Dielectrics

EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 13
The atmospheric electric field on earth is as high as 100 Vm-1. Why do we not get an electric shock as we move on earth?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 14
Suppose a man places an insulating slab on the ground and puts a large aluminium sheet on its top. Will he get an electric shock if he touches the aluminium sheet next morning?
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 15
Show that the units C2N-1m-2 and Fm-1 are the units of the same physical quantity. What is that physical quantity?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 16
Prove that if two charged conductors are touched mutually and then separated, the charge on them will be divided in the ratio of their capacitances.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 17
The potentials of two charged conductors are V1and V2 their capacitances are C1 and C2 respectively. When these are connected by a wire, the changes in their potentials are∆V1 and ∆V2respectively. Prove that ∆V1/∆V2=C2/C1.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 18

A big metallic sphere is connected by a wire to an external smaller sphere. This arrangement is given some charge: Which sphere will take more charge?

HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 18

A big metallic sphere is connected by a wire to an external smaller sphere. This arrangement is given some charge: Which will have a higher surface density of charge?

HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 19
Two charged conducting spheres of radii a and b are connected to each other by a wire. Find the ratio of electric fields at the surfaces of the spheres.