Imagine a single charge q placed at one corner of a square, and that the electric field at the center of the square is F/q
If two other equal charges are placed at the adjacent corners of the square (leaving the opposite corner "blank"), the electric field at the center of the square is
A) F/q.
B) 4F/q.
C) F/(2q).
D) F/(4q).
E) none of the above
Answer: A
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The metric prefix that means one million (1,000,000) is
a. centi-. b. mega-. c. milli-. d. nano-.
Of all the terrestrial and Jovian worlds, Jupiter has the largest magnetic field and thus the largest magnetosphere
a. True b. False Indicate whether the statement is true or false
Simple Pendulum: Two simple pendulums, A and B, are each 3.0 m long, and the period of pendulum A is T. Pendulum A is twice as heavy as pendulum B. What is the period of pendulum B?
A. T/
B. T
C. T
D. 2T
E. T/2