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WorksheetsELECTROSTATICS
Total questions: 20
Worksheet time: 8mins
Which of the following graphs shows the variation of Electric field 'E' due to a hollow spherical conductor of radius R as a function of distance from the center of the sphere ?
Where do electrons go when you rub a balloon on your hair?
Into Hair
Nowhere
Onto Hair
None Of These
The unit of permittivity is:
N m2 C-2
C2N-1m-2
H m-1
N C-2m-2
Find the odd one out :
Electric field intensity
Electrostatic force
Electric dipole moment
Electric Potential
Gauss law is another form of :
Newton's law
Ohm's law
Coulomb's Law
Kepler's Law
Value of k on Coulomb's law depends upon
Magnitude of charges
Distance between charges
Both a and b
Medium between two charges
The force experienced by a unit charge is:
Electric flux
Electric potential
Electric Field
Static electricity
Charge per unit volume is called________
Volume Charge Density
Linear Charge Density
Surface Charge Density
Electric Flux
1 volt is equivalent to
Newton / Second
Newton / Coulomb
Joule / Second
Joule / Coulomb
A test charge is moved from lower potential point to a higher potential point. The potential energy of test charge will
Become Zero
Decreases
Increases
Remains the Same
What is the geometrical shape of equipotential surfaces due to a single isolated charge ?
Ellipsoid
Spherical
Cylindrical
Planar
When glass rod is rubbed with silk , it
Gains Electrons To Silk
Gains Electrons From Silk
Gains Protons From Silk
Gives Protons To Silk
A cylinder of radius R and length L is placed in a uniform electric field E parallel to the cylinder axis. The total flux for the surface of the cylinder is given by
2πR2 E
πR2
(πR2 -πR )/E
Zero
Electric field at a point varies as r0 for
An Electric Dipole
A Plane Infinite Sheet Of Charge
A Point Charge
A Line Charge Of
Total electric flux coming out of a unit positive charge kept in air is
ε0
ε0-1
(4πε0) -1
4πε0
A point charge q is placed at a distance a/2 directly above the center of a square of side a . The electric flux through the square is
q/6 ε0
q/ ε0
q/ πε0
c) q/ 4ε0
The magnitude of electric field intensity E is such that , an electron placed in it would experience an electrical force equal to its
mge
mg/e
e/mg
e2g/m2
Electric field lines provide information about
Field strength
Direction
Nature of charge
All of these
The surface considered for Gauss 's law is called
Closed surface
Spherical surface
Gaussian Surface
Plane surface
If 5J of work is required to shift 10 C charge from one place to another place then potential energy difference is
0.5 V
2 V
5 V
10 V
