Which of these diagrams represent the electric field around a positive point charge?
2 points
2
Question 2
2.
An electric field is created by two parallel plates. At which of the following points is the electric field the strongest?
2 points
2
Question 3
3.
An electric field due to a positive charge is represented by the diagram.
At which of the following points is the electric field strongest in magnitude?
2 points
2
Question 4
4.
A negative charge in an electric field experiences a force accelerating it due south.
What is the direction of the electric field?
2 points
2
Question 5
5.
Two positive charges, equal in magnitude, are separated as shown below.
In which location would the electric field strength be zero?
2 points
2
Question 6
6.
If the distance between two charges are doubled, the force of attraction between the charges would be:
2 points
2
Question 7
7.
Two point charges q1 and q2 are situated at a distance d. There is no point in-between them where the electric field is zero.
What can we deduce?
2 points
2
Question 8
8.
Electric field intensity is a ________________
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2
Question 9
9.
The magnitude of the electric field at point A is 𝓍.
What is the electric field at point B, in terms of 𝓍?
2 points
2
Question 10
10.
The force experienced by a −6 C charge in an external field is 60 N to the left. The electric field intensity will be:
2 points
2
Question 11
11.
An electron is placed in an electric field with an intensity of
1 × 104 N.C-1. The force that the electron experiences in this field is ...
2 points
2
Question 12
12.
Compare the Gravitational Field and the Electric Field produced by a proton.
2 points
2
Question 13
13.
Fields that act on objects with masses are:
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2
Question 14
14.
The mass of a planet is twice that of the Earth. Its radius is half that of the radius of the Earth. The gravitational field at the surface of the Earth is g. The gravitational field at the surface of the planet is
2 points
2
Question 15
15.
Two objects, one with a mass of m and one with a mass of 4m are attracted to each other by a gravitational force. If the force on 4m is F, what is the force on mass m in terms of F?