Zusammenfassung der Ressource
Frage 1
Frage
Which path shows a possible movement of an electron in the electric field shown?
Frage 2
Frage
Two parallel conducting plates are connected to a battery, one plate to the positive terminal and the other plate to the negative. The plate separation is gradually increased, the plates remaining connected to the battery.
Which graph shows how the electric field E between the plates depends on the plate separation x?
Frage 3
Frage
Which diagram shows the electric field pattern of an isolated negative point charge?
Frage 4
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 5
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 6
Frage
The diagram shows two metal plates P and Q between which there is a potential difference of -700 V. Plate Q is earthed.
What is the magnitude and direction of the electric field at point R?
Antworten
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A 1.4 x 10^2 N.C^–1 from P towards Q
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B 1.4 x 10^2 N.C^–1 from Q towards P
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C 1.4 x 10^5 N.C^–1 from P towards Q
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D 1.4 x 10^5 N.C^–1 from Q towards P
Frage 7
Frage
The electric field strength between a pair of parallel plates is E. The separation of the plates is doubled and the potential difference between the plates is increased by a factor of four.
What is the new electric field strength?
Frage 8
Frage
Which diagram represents the electric field of a negative point charge –q?
Frage 9
Frage
A potential difference V is applied between two parallel plates a small distance d apart, and produces an electric field of strength E between the plates.
What is the electric field strength between the plates when both V and d are doubled?
Frage 10
Frage
In the circuit below, the distance between the two parallel plates is 2.0 × 10^–3 m. An electron is situated between the plates.
What is the force on the electron?
Antworten
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A 3.2 × 10^–22 N
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B 2.9 × 10^–21 N
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C 8.9 × 10^–18 N
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D 7.2 × 10^–16 N