Welcome to your Grade 10 Physics chapter 5
After carefully reading the following 30 questions, choose the correct answer.
1.
Which device is used to detect the presence of electric charge?
3.
What is the SI unit of electric charge?
4.
A material that allows electric charges to flow through it easily is called a:
5.
Which method of charging involves bringing a charged object near a neutral conductor without touching it?
6.
Coulomb’s Law states that the force between two point charges is inversely proportional to:
7.
What is the value of the elementary charge (the charge of an electron)?
8.
Electric field strength is defined as:
9.
The direction of an electric field at any point is the direction of the force on a:
10.
Which of the following is an example of an insulator?
11.
What happens to the electric force between two charges if the distance between them is doubled?
12.
Charging by friction occurs when:
13.
In an electric field diagram, the density of field lines represents:
14.
Electric field lines always point:
15.
A "point charge" refers to a charge that:
16.
The principle of conservation of charge states that:
17.
If an object has more electrons than protons, it is:
18.
What is the electrostatic constant (k) in a vacuum?
19.
Which of the following describes the process of "earthing"?
20.
The force between two 1C charges separated by 1m in a vacuum is:
21.
Electric field strength (E) is a:
22.
When a glass rod is rubbed with silk, it becomes:
23.
Which law governs the magnitude of the force between two stationary charges?
24.
The electric field inside a conductor in electrostatic equilibrium is:
25.
In an electric field diagram, field lines:
26.
The charge on an object is always an integer multiple of 'e'. This is called:
27.
Which particles are primarily transferred during charging by friction?
28.
The permittivity of free space (ε₀) is used in the formula for:
29.
Two equal but opposite charges separated by a distance form an:
30.
If a metal sphere is charged by conduction, it:
