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| 1 | When the electric field does negative work in moving a charge from infinity to point B, the potential energy of the charge at B will also be negative. |
 | A) | True |
| B) | False |
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| 2 | The electric potential energy is positive in the vicinity of a positive charge and negative in the vicinity of a negative charge. |
| A) | True |
| B) | False |
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| 3 | Electric potential at a point is a property of the space, whereas electric potential energy cannot exist unless a charge is placed at that point. |
| A) | True |
| B) | False |
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| 4 | Whenever a negative charge is moved from a point of high potential to a point of low potential, its potential energy is increased. |
| A) | True |
| B) | False |
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| 5 | The electric potential in the vicinity of a number of charges is equal to the algebraic sum of the potentials due to each charge. |
| A) | True |
| B) | False |
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| 6 | A negative potential means that the electric field will hold on to positive charge, and work must be done by an external agent to remove it. |
| A) | True |
| B) | False |
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| 7 | If the potential is zero at a point, the electric field also must be zero at that point. |
| A) | True |
| B) | False |
|
| 8 | The electric field between two oppositely charged plates is equal to the product of the voltage and the plate separation. |
| A) | True |
| B) | False |
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| 9 | The electronvolt is a unit of potential difference. |
| A) | True |
| B) | False |
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| 10 | The surface of any conductor is an equipotential surface. |
| A) | True |
| B) | False |
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| 11 | When a negative charge is moved from a point of low potential to a point of high potential, its potential energy |
| A) | increases |
| B) | decreases |
| C) | stays the same |
| D) | increases and then decreases |
|
| 12 | The potential energy at a given point is independent of the |
| A) | work required to bring a charge to that point |
| B) | electric field |
| C) | path taken to reach that point |
| D) | magnitude of a charge at that point |
|
| 13 | In the vicinity of a negative charge, |
| A) | the potential is always negative |
| B) | the potential energy is always negative |
| C) | the potential energy is always positive |
| D) | the potential is always positive |
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| 14 | Which of the following represents a unit of energy? |
| A) | V |
| B) | N/C |
| C) | J/C |
| D) | eV |
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| 15 | The Millikan oil-drop experiment was used primarily to determine the |
| A) | mass of an electron |
| B) | charge of an electron |
| C) | electron charge to mass ratio |
| D) | density of oil |
|
| 16 | The electric potential is zero |
| A) | inside a conductor |
| B) | halfway between +q and -q |
| C) | halfway between +q and +q |
| D) | on a line between +q and -q |
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| 17 | A 3-nC charge is located 2 m away from another charge of 40 µC. The potential energy is |
| A) | 1.8 X 10-4 J |
| B) | 2.7 X 10-4 J |
| C) | 5.4 X 10-4 J |
| D) | 6.9 X 10-4 J |
|
| 18 | A charge of +4 µC is 10 cm to the right of a -12-μC charge. The electric potential at a point midway between the two charges is approximately |
| A) | 1.44 µV |
| B) | -1.44 µV |
| C) | 72 µV |
| D) | -2.16 µV |
|
| 19 | Points A and B are located 6 and 10 cm away, respectively, from a -24-µC charge. The potential difference VA - VB is approximately |
| A) | -1.44 µV |
| B) | 1.44 µV |
| C) | -5.04 µV |
| D) | 5.04 µV |
|
| 20 | A 16-µC charge is located 8 cm to the right of a -8-µC charge. How much work will be done by the electric field in moving a 2-nC charge from a point midway between the two charges to a point 4 cm to the left of the -8-µC charge? |
| A) | 2.4 MJ |
| B) | 4.8 MJ |
| C) | -2.4 MJ |
| D) | -4.8 MJ |
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| 21 | The at a point is equal to the negative of the work per unit charge done by electric forces in bringing a positive charge from infinity. |
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| 22 | The potential in the vicinity of a positive charge is , and the potential in the vicinity of a negative charge is . |
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| 23 | The potential in the vicinity of a number of charges is equal to the of the potentials due to each charge. |
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| 24 | A potential of 1 V means that a charge of will have a potential energy of when placed at that point. |
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| 25 | The potential difference between two oppositely charged plates is equal to the product of the and the . |
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| 26 | The is a unit of energy equivalent to the energy acquired by an electron that accelerated through a potential difference of one volt. |
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| 27 | The work done by an electric field in moving a charge from a point of potential VA to a point of potential VB is equal to the product of and . |
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| 28 | The volt per meter is a unit of and is equivalent to the unit . |
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| 29 | A(n) potential energy means that work must be done the electric field in removing a charge from the field. |
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| 30 | Whenever a positive charge is moved against the electric field, its potential energy ;whenever a negative charge moves against an electric field, its potential energy . |