Electric field
Quiz by Sigfred Allen Alisbo
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- Q 1/25Score 0
In the diagram below, P is a point near a negatively charged sphere. Which direction best represents the direction of the electric field at point P?
29down
left
up
right
- Q1
In the diagram below, P is a point near a negatively charged sphere. Which direction best represents the direction of the electric field at point P?
down
left
up
right
30s - Q2
Which quantity and unit are correctly paired?
electrostatic force and electrons
electricity and Coulombs
electric field strength and E
electric field strength and N/C
30s - Q3
A point charge Q is far from all other charges. At a distance of 2 m from Q, the electric field is 20 N/C. What is the force a charge of 5 Coulombs feels?
100 N
10N
4 N
40 N
300s - Q4
Which of the following statements is false about electric field lines
electric field lines cannot cross
electric field lines are always straight lines
electric field lines show how a proton would move in an electric field
electric field lines point away from positive charge
30s - Q5
At which point is the electric field the strongest
C.
A.
B.
D.
30s - Q6
At which point is the electric field the weakest?
A because it is the furthest away
A because the field lines are further apart
C because the field lines are further apart
C because it is the furthest away
30s - Q7
Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.
+,+
+,-
-,-
-,+
120s - Q8
An electrostatic force of 2 X 102. newtons is exerted on a charge of 4 coulomb at point P in an electric field. The magnitude of the electric field intensity at P is
5 N/C
50 N/C
2 X 10-2 N/C
8 X 102 N/C
300s - Q9
It is observed that Balloon A is charged negatively. Balloon B exerts a repulsive effect upon balloon A. Would the electric field vector created by balloon B be directed towards B or away from B and why?
away because electric field lines point away from negative charges
towards because electric field lines point away from negative charges
towards because electric field lines point away from positive charges
away because electric field lines point toward positive charge
300s - Q10
QA and QB are two charges creating an electric field. Based on the electric field lines, we can conclude
QA is positive and QB is negative
QA and QB are both negative
QA is negative and QB is positive
QA and QB are both positive
30s - Q11
Which of the following is a true statement about the electric field between the two plates?
The field is attractive between the plates and strongest near the positive
The field is attractive between the plates and uniform in strength
The field is repulsive between the plates and strongest near the positive
The field is repulsive between the plates and uniform in strength
30s - Q12
The electrical force between charges is strongest when the charges are closer apart
truefalseTrue or False30s - Q13
What is the magnitude of the electric field intensity at a point where a proton experiences an electrostatic force of magnitude 2.30 x 10-25 newton?
3.68 x 106 N/C
1.44 x 1044 N/C
1.44 x 10-6 N/C
3.68 x 10-44 N/C
300s - Q14
Electric field is
Exist in a point
A scalar quantity
a point that is perpendicular to the force vector
A region of space in which an electric charge will experience a force when place in it
30s - Q15
The electric force on a charged body is exerted by the electric field created by
other charged bodies
truefalseTrue or False30s
