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Quiz von alex.examtime9373, aktualisiert more than 1 year ago
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Erstellt von alex.examtime9373
vor mehr als 10 Jahre
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Frage 1
Frage
What is the unit of electric charge
Antworten
-
Newton
-
Coulomb
-
Newton/ Coulomb
-
Volt
-
Watt
Frage 2
Frage
Rubbing a Perspex rod with a cotton cloth causes the rod to become positively charged.
Antworten
- True
- False
Frage 3
Frage
An insulator is a substance through which electric charge can flow.
Antworten
- True
- False
Frage 4
Frage
Which of the following materials are conductors?
Antworten
-
Glass
-
Metal
-
Plastic
-
Electrolytes
Frage 5
Frage
Where does static charge reside on a conductor?
Antworten
-
The inside of a conductor
-
Where the conductor is most pointed
-
It depends on whether the conductor is negatively or positively charged
Frage 6
Frage
What instrument is used to demonstrate point discharge?
Antworten
-
Van de Graaff generator
-
Gold leaf electroscope
-
Electricity running through a container of oil and semolina
Frage 7
Frage
According to Coulomb's Law, the electrostatic force between two charges increases when the distance between them is increased.
Antworten
- True
- False
Frage 8
Frage
What is the formula for electric field strength?
Antworten
-
Electrostatic force x charge
-
Electrostatic force x distance
-
Electrostatic force/ distance
-
Electrostatic force/ charge
Frage 9
Frage
Calculate the electric field strength at a point where a 6 C charge experiences a 3 N force.
Antworten
-
18 N C
-
0.5 N/C
-
2 N/C
-
2 C/N
Frage 10
Frage
For an object to be charged by induction, the conductor must be touched with the charged object.
Antworten
- True
- False
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