The electric potential at two points in space is: V1 = 200 volts and V2 = 300 volts. Which of the following statements is true for moving a point charge q from point 1 to 2?
A. The work done by an external agent to move q from point 1 to 2 is positive.
B. We can't determine the work done because we don't know the direction of V at the two points.
C. The work done by the electric force exerted on q in moving it from point 1 to 2 is W = –q(100 V).
1.A
2.B
3.C
4.A and B
5.A and C
6.B and C
7.A, B, and C
8.None of the above
3
You might also like to view...
Stars motion within the disk of the Milky Way galaxy are ordered in that they the all go in the same direction, counter-clockwise, as viewed from above (e.g., as viewed from above the north rotational axis of the Sun),
a. True b. False Indicate whether the statement is true or false
Which of the three arrangements shown below will light the bulb?
Two coins carry identical charges. These two coins are lying 2.50 m apart on a table. If each of these coins experiences a force of 2.00 N, how large is the charge on each coin?
A) 2.61 ?C B) 26.1 ?C C) 6.67 ?C D) 5.22 ?C E) 52.2 ?C
A solid sphere, solid cylinder, and a hollow pipe all have equal masses and radii. If the three of them are released simultaneously at the top of an inclined plane and do not slip, which one will reach the bottom first?
A) sphere B) pipe C) cylinder D) The pipe and cylinder arrive together before the sphere. E) They all reach the bottom at the same time.