Electric Field of Point-Charges: Three equal negative point charges -q are placed at three of the corners of a square of side d as shown in the figure. Which one of the arrows shown represents the direction of the net electric field at the vacant corner of the square?
A. A
B. B
C. C
D. D
Answer: B
Physics & Space Science
You might also like to view...
Which of the following is true of the Moon's synodic period?
A) It is slightly shorter than the Moon's sidereal period. B) It is longer than the Moon's sidereal period. C) It is the same as the Moon's sidereal period. D) It is less than half of the Moon's sidereal period.
Physics & Space Science
The Big Bang is a theory describing the ____
a. birth of our Solar System b. start of civilization on Earth c. beginning of planet formation d. beginning of the Universe e. massive extinction of dinosaurs
Physics & Space Science
Isobaric work is
A) V ?p. B) p ?T. C) p ?V. D) Q - W. E) Q + W.
Physics & Space Science
Edwin Hubble first found the distance to M31 in Andromeda with its ________ variable stars in its spiral arms
Fill in the blank(s) with correct word
Physics & Space Science