WorksheetsElectrostatics 1
Total questions: 12
Worksheet time: 7mins
What is the name of this device that is used to detect charges?
(a)
What is the name of the particles that being transferred when you rub a balloon on a cat?
Proton
Neutron
Electron
Positron
Insulators are different from conductors in that insulators ____.
do not contain electrons or protons
have a weaker attraction for electrons
do not contain any charge
do not allow charge to freely move
Electrostatic force F exists between two point charges. If both charges are doubled, the force between the charges will be _____.
F/4
F/2
2F
4F
A repulsive force exists between which two particles?
Two neutrons
An electron and a proton
An electron and a neutron
Two protons
In which direction will the electric force from the two equal positive charges move the negative charge shown in the figure?
↑
↓
←
→
Which quantity and unit are correctly paired?
Electric current and [C]
Charge area density (σ) and [C/m]
Electrostatic force and [V]
Electric field strength (E) and [N/C]
In the diagram, P is a point near a negative charge. Which direction best represents the direction of the electric field at point P?
Right
Left
Up
Down
Which of the following statements is false about electric field lines?
Electric field lines are always straight lines
Electric field lines point away from positive charge
Electric field lines show how a proton would move in an electric field
Consider the electric field lines shown in the diagram. We can see that object A is ____ and object B is ____.
+, +
+, -
-, +
-, -
Consider the electric field lines in the figure. Which of the option shows the ranking of the position in order of weakest to strongest correctly.
A, D, B
A, E, D
D, B, A
D, E, C
The figure below shows five Gaussian surfaces (a-e) surrounding a distribution of charges. Which surface has a flux of ϵ0q ?
a
b
c
d
