Zusammenfassung der Ressource
Frage 1
Frage
Which diagram shows the electric field pattern of an isolated negative point charge?
Frage 2
Frage
A positive charge and a negative charge of equal magnitude are placed a short distance apart.
Which diagram best represents the associated electric field?
Frage 3
Frage
An electric field exists in the space between two charged metal plates.
Which of the following graphs shows the variation of electric field strength E with distance d from X along the line XY?
Frage 4
Frage
Which diagram represents the electric field of a negative point charge –q ?
Frage 5
Frage
What is an equivalent unit to 1 volt?
Antworten
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A 1J /A
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B 1 J/C
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C 1 W/C
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D 1 W/s
Frage 6
Frage
The diagram shows an electron in a uniform electric field.
In which direction will the field accelerate the electron?
Frage 7
Frage
Two parallel, conducting plates with air between them are placed close to one another. The top
plate is given a negative charge and the bottom one is earthed.
Which diagram best represents the distribution of charges and the field in this situation?
Frage 8
Frage
In a uniform electric field, which statement is correct?
Antworten
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A All charged particles experience the same force.
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B All charged particles move with the same velocity.
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C All electric field lines are directed towards positive charges.
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D All electric field lines are parallel.
Frage 9
Frage
Which of the following is a common feature of gravitational & electric fields?
Antworten
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A They are always attractive.
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B They always have uniform strength.
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C The force experienced by mass or charge always obeys an inverse square law.
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D The field produced is always radial.
Frage 10
Frage
What is an equipotential line in an electric or gravitational field?
Antworten
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A A line which represents points of the same force per unit mass or force per unit charge.
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B A line where all masses or all charges must have the same amount of potential energy.
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C A line where all masses or all charges have zero potential energy.
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D A line where the force from opposite charges or opposite masses cancels out.