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WorksheetsElectric Field 1
Total questions: 16
Worksheet time: 8mins
When a balloon is rubbed on clothes it acquires a charge by ___________.
Induction
reduction
conduction
convection
TRUE or FALSE: According to Coulomb's Law, the greater the separation of distance between two charges the greater the magnitude of the electrostatic force.
True
False
TRUE or FALSE: The mass of a single electron is equal to 9.109x10-31 C.
True
False
What happens to the field strength as the distance between two charged objects decreases?
the strength stays the same
the strength increases
the strength decreases
the strength fluctuates between positive and negative
What does the Law of Conservation of Charge state?
like charges repel and opposites attract
positive charge fields point away from a charge; negative points toward
charges cannot be created nor destroyed, only transferred
Where can an electric field be found?
below a force field
in a gravitational field
in the space surrounding a charged object
outside of a magnetic field
Electrical field lines of a negatively charged object flow _______________.
Inwards
Outwards
Clockwise
Counter-Clockwise
TRUE or FALSE: The electric field lines for a positive charge is always directed away from the charge.
True
False
QA and QB are two charges creating an electric field. Based on the electric field lines, we can conclude that _____________.
QA and QB are both positive
QA and QB are both negative
QA is positive and QB is negative
QA is negative and QB is positive
What does it mean when the electric field lines are close together?
the field is positive
the field is negative
The field is strong
the field is weak
The electrical force between charges is strongest when the charges are ______________.
close together
far apart
the electric force is constant everywhere.
there is no pattern
Consider the electric field lines shown in the diagram. From the diagram, it is apparent that object A is ____ and object B is ____.
+ , +
+ , -
- , +
- , -
At which point is the electric field the strongest
A
B
C
D
What is the magnitude of the electric field at a point where a proton experiences an electrostatic force of 2.3 x 10-25 N?
1.44 x 10-6 N/C
3.68 x 106 N/C
1.44 x 1044 N/C
3.68 x 10-44 N/C
An electrostatic force of 2 X 102 N is exerted on a charge of 4 Coulombs at point P in an electric field. What is the magnitude of the electric field intensity at P?
8 X 102 N/C
5 N/C
2 X 10-2 N/C
50 N/C
A point charge Q lies 2 meters away from a 5 Coulomb charge with an electric field of 20 N/C. How much force does Q feel?
4 N
100 N
40 N
10 N
