WorksheetsElectric Charges and Field
Total questions: 10
Worksheet time: 10mins
Which of the following statements is false about electric field lines
electric field lines cannot cross
electric field lines point away from positive charge
electric field lines are always straight lines
electric field lines show how a proton would move in an electric field
Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.
+,+
+,-
-,+
-,-
Which graph best represents the relationship between the strength of an electric field and distance from a point charge?
What is the S. I. unit of electric flux?
Nm2C−1
NmC−1
Nm−2C2
NmC−2
According to Quantization of charge
Q= ne
Q=ne
Q= en
Q=ne2
For a short dipole the relation between electric field a point on the axial point and on the equatorial point is
Eeq = eax
Eeq = 2 Eax
Eeq = Eax + 2
Eax = 2 Eeq
What do you call the process of charging a conductor by bringing it near another charged object?
conduction
induction
polarization
neutralization
An electron and a proton are in a uniform electric field, the ratio of their accelerations will be
Zero
The ratio of the masses of electron and proton
Unity
The ratio of the masses of proton and electron
The unit of electric field is not equivalent to
N/C
V/m
J/C
J/C-m
What will be the value of electric field at the centre of the electric dipole : -
Zero
Equal to the electric field due to one charge at centre
half the value of electric field due to one charge at centre
wice the electric field due to one charge at centre
