YASH CLASSES
ELECTROSTATICS [ XII ]
1. State Gauss’
theorem and use
it to derive the
coulomb’s inverse square
law .
2. What is
meant by electric flux ? write S.I. units and dimension formula ?
3. Is it
A solid sphere metallic to given charge more
charge than hollow sphere of same radius ? explain .
4. An isolated
metallic sphere is charged positively how is its mass
affected ?
5. A charged
particle is free to
move along the electric
filed will it always move are lines of force? 6.Two positive charge are placed 0.1m apart and sum of charge on it 18
C and force between them is 18 N. find the value of
charge
7. A
charge 15 x 10-4 C
experience a force 2.25 N
in the electric
field . find the intensity of electric field .
8. The dielectric constant of glass is 7.0. what is an absolute permittivity .
Electric Potential
Fill
in blanks
1. Electron –
volt is
unit ........
2. joule/ coulomb is unit of ...
3.consevative field is called ...
4. The
dimensional formula of electric potential..
5. In presence of an insulating medium the potential........
6. What
is potential and potential difference ? Write its unit and dimensional formula .
7. To
find potential at a point charge ?
8. Find
potential due to an electric dipole in end on position or longitudinal YASH CLASSES
1. Fill in the blanks -
a. unit of charge .........
b. unit of permittivity.......
c. unit of dielectric constant......
d. unit of electric flux ........
e. unit of electric field....
f. the dimensional formula of charge..
g. the dimensional formula of electric field..
h. the dimensional formula of torque........
i. the dimensional formula of electric flux..
j. the dimensional formula of electric dipole..
2. Define electric lines of force ?
3. What do you mean by dipole ?
4. write the gauss theorem ?
5. What do you mean by electric field intensity?
6. Write the coulomb’s law ?
7. What do you mean by electric flux ?
8. Derive the coulomb’s law by gauss theorem ?
9. To find e electric field due to electric dipole in end on position or longitudinal position ?
10.A charge is 1.2 x 10-6C experience a force 14.4 N at a point . calculate the E.F.I ?