AP Physics Unit 3

Quiz
•
Science
•
12th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two parallel conducting plates, separated by a distance, d, are connected to a battery of emf V.
Which of the following is correct if the plate separation is doubled while the battery remains constant?
The electric charge on the plates is doubled
The electric charge on the plates is halved
The potential difference between the plates is doubled
The potential difference between the plates is halved
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A 4μF capacitor is charged to a potential difference of 100V. The electrical energy stored in the capacitor is?
2x10-8 J
2x10-6 J
2x10-4 J
2x10-2 J
Tags
NGSS.HS-PS3-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A newly discovered planet is found to have 2/3 the density of earth and twice the radius.
The surface planetary gravity is?
7 m/s2
3.3 m/s2
6.7 m/s2
13 m/s2
Tags
NGSS.HS-PS2-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the direction of an electric field line, which of the following must be true?
the electric field strength must increase
the electric field strength must decrease
the potential must increase
the potential must decrease
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement about electric potential at a point must be correct?
The potential is given by the rate of change of electric field strength with distance
the potential is defined as the work done per unit positive charge in moving one electron from the point to infinity
alternative units for electric potential are the joule and the volt
the potential due to a system of point charges is given by the sum of the potentials due to the individual charges
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The given diagram shows four identical point charges arranged at the corners of a square. What are the values of the electric field strength E and the electric potential V at point X in the middle of the square?
A
B
C
D
Tags
NGSS.HS-PS2-4
NGSS.HS-PS3-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The given diagram shows charges of +2 µC and -2 µC situated at points P and Q respectively. Point X is midway between P and Q.
What is the direction of the electric field and the value of the electric potential at point X?
A
B
C
D
Tags
NGSS.HS-PS2-4
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