15566747
Description
Quiz by Jeffrey Piggott, updated more than 1 year ago
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Created by Jeffrey Piggott
over 5 years ago
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Question 1
Question
Which diagram shows the electric field pattern of an isolated negative point charge?
Answer
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A
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BImage:1b (binary/octet-stream)
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CImage:1c (binary/octet-stream)
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DImage:1d (binary/octet-stream)
Question 2
Question
A positive charge and a negative charge of equal magnitude are placed a short distance apart.
Which diagram best represents the associated electric field?
Answer
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Image:2b (binary/octet-stream)
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Image:2b (binary/octet-stream)
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Image:2c (binary/octet-stream)
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Image:2d (binary/octet-stream)
Question 3
Question
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?
Answer
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AImage:3a (binary/octet-stream)
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BImage:3b (binary/octet-stream)
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CImage:3c (binary/octet-stream)
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DImage:3d (binary/octet-stream)
Question 4
Question
Which diagram represents the electric field of a negative point charge –q ?
Answer
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Image:4a (binary/octet-stream)
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Image:4b (binary/octet-stream)
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Image:4c (binary/octet-stream)
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Image:4d (binary/octet-stream)
Question 5
Question
What is an equivalent unit to 1 volt?
Answer
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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
Question 6
Question
The diagram shows an electron in a uniform electric field.
In which direction will the field accelerate the electron?
Image:
Q6 (binary/octet-stream)
Answer
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A
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B
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C
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D
Question 7
Question
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?
Answer
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AImage:7a (binary/octet-stream)
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BImage:7b (binary/octet-stream)
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CImage:7c (binary/octet-stream)
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DImage:7d (binary/octet-stream)
Question 8
Question
In a uniform electric field, which statement is correct?
Answer
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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.
Question 9
Question
Which of the following is a common feature of gravitational & electric fields?
Answer
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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.
Question 10
Question
What is an equipotential line in an electric or gravitational field?
Answer
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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.
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