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Electric Potential Difference — Quiz Answers

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The electric field between two parallel plates has a magnitude of 875 cap n over cap c The positive plate is 0 point 0 0 2 m away from the negative plate. What is the electric potential difference between the plates?

A
1 point 8 times 10 to the 0 power cap v
B
4 point 4 times 10 to the 4th power cap v
C
2 point 3 times 10 to the negative 6 power cap v
D
8 point 8 times 10 squared cap v
2
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Which equations should be used only in a uniform electric field? Choose two correct answers.

A
cap w is equal to q triangle cap v
B
cap f is equal to q cap e
C
cap u is equal to q cap e d
D
cap v is equal to k q over d
E
triangle cap v is equal to cap e d
3

The electric field between two parallel plates has a magnitude of 1250 cap n over cap c The positive plate is 0 point 0 5 m away from the negative plate.

Answer:

62.5

4

What is the electric potential at a distance of 1 point 2 m from a 7 point 5 µC point charge?

A
5 point 6 times 10 to the 10th power cap v
B
8 point 1 times 10 to the 4th power cap v
C
8 point 1 times 10 to the 10th power cap v
D
5 point 6 times 10 to the 4th power cap v
5

A point charge of 8 point 0 µC is placed 0 point 0 5 0 m from a rod that has an electric field of 1 point 5 times 10 cubed cap n over cap c What is the electric potential energy of the point charge?

A
2 point 4 times 10 to the 5th power cap j
B
2 point 4 times 10 inverse cap j
C
6 point 0 times 10 to the negative 4 power cap j
D
6 point 0 times 10 squared cap j
6

A point charge of 6 point 0 cap c is placed 5 point 0 millimeters from a rod that has an electric field of 2 point 4 times 10 cubed cap n over cap c

Answer:

72

7

What is the abbreviation for the SI unit for electric potential?

A
J
B
V
C
U
D
C
8

How are electric potential difference and electric potential energy related?

A
Electric potential energy is the charge divided by the electric potential difference.
B
Electric potential energy is the electric potential difference divided by the charge.
C
Electric potential difference is the difference in electric potential energy divided by the charge.
D
Electric potential difference is the charge divided by the difference in electric potential energy.
9

What is the electric field between two parallel plates if the electric potential difference between the plates is 24 cap v and the plates are 65 millimeters apart?

A
1 point 6 cap n over cap c
B
0 point 0 0 2 7 cap n over cap c
C
1560 cap n over cap c
D
369 cap n over cap c
10

Which equation is used to calculate the electric potential in an electric field from a point charge?

A
cap v is equal to k the fraction with numerator q and denominator d squared
B
cap v is equal to k q over d
C
triangle cap v is equal to triangle cap u over q
D
triangle cap v is equal to triangle cap u over cap e

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