WorksheetsElectrostatics
Total questions: 13
Worksheet time: 17mins
Coulomb's Law state that
electrostatics force between two point charges is directly proportional to the product of charges
inversely proportional to the square of the distance between the charges
exists between 2 or more charges
electrostatics force between two point charges is directly proportional to the product of charges and inversely proportional to the square of the distance between the charges
features of electric field lines
do not intercept each other
each electric field line has a direction
electric field lines closer together-stronger electric field
all the above answers are correct
What are the units of electric potential?
volts (V) or joules/coulomb (J/C)
joules (J)
newtons (N)
meters (m)
Where is the electric field stronger?
A
B
As shown in the figure, the charge Q is midway between two other charges. If Q= -7.5 nC what must be the charge q1 so that charge q2 remains stationary as Q and q1 are held in place?
30 nC
15 nC
7.5 nC
60 nC
What is the magnitude of the electric field intensity at a point where a proton experiences an electrostatic force of magnitude 2.30 x 10-25 newton?
1.44 x 10-6 N/C
1.44 x 1044 N/C
3.68 x 10-44 N/C
3.68 x 106 N/C
Which graph best represents the relationship between the strength of an electric field and distance from a point charge?
A moving electron is deflected by two oppositely charged parallel plates, as shown in the diagram above.
The electric field between the plates is directed from
C to D
D to C
A to B
B to A
Two plates are 2cm apart, a potential difference of 10 V is applied between them, the electric field between the plates is
20 N/C
500 N/C
5 N/C
250 N/C
