7318947
Description
Question 1
Question
What is the unit of electric charge
Answer
-
Newton
-
Coulomb
-
Newton/ Coulomb
-
Volt
-
Watt
Question 2
Question
Rubbing a Perspex rod with a cotton cloth causes the rod to become positively charged.
Answer
- True
- False
Question 3
Question
An insulator is a substance through which electric charge can flow.
Answer
- True
- False
Question 4
Question
Which of the following materials are conductors?
Answer
-
Glass
-
Metal
-
Plastic
-
Electrolytes
Question 5
Question
Where does static charge reside on a conductor?
Answer
-
The inside of a conductor
-
Where the conductor is most pointed
-
It depends on whether the conductor is negatively or positively charged
Question 6
Question
What instrument is used to demonstrate point discharge?
Answer
-
Van de Graaff generator
-
Gold leaf electroscope
-
Electricity running through a container of oil and semolina
Question 7
Question
According to Coulomb's Law, the electrostatic force between two charges increases when the distance between them is increased.
Answer
- True
- False
Question 8
Question
What is the formula for electric field strength?
Answer
-
Electrostatic force x charge
-
Electrostatic force x distance
-
Electrostatic force/ distance
-
Electrostatic force/ charge
Question 9
Question
Calculate the electric field strength at a point where a 6 C charge experiences a 3 N force.
Answer
-
18 N C
-
0.5 N/C
-
2 N/C
-
2 C/N
Question 10
Question
For an object to be charged by induction, the conductor must be touched with the charged object.
Answer
- True
- False
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