In a diagram of electric field lines, what is represented by lines that are drawn closer together?
A. a more positive field
B. a more negative field
C. a stronger field
D. a weaker field
E. nothing (artistic license)
C. a stronger field
You might also like to view...
The critical temperature to initiate the proton-proton cycle in the cores of stars is:
A) 3,000 K. B) 5,800 K. C) 2,300,000 K. D) 10 million K. E) 100 million K.
Assuming that no energy is lost in the form of heat, after the ball compresses the spring shown here, what is the maximum potential energy it may once again attain?
a. 0 J. b. 5 J. c. 2.5 J. d. Significantly less than 5 J because of energy lost as heat because of friction. e. Significantly less than 2.5 J because of energy lost as heat because of friction.
The deviation from the way a compass needle points from the true north direction is the magnetic declination
a. True b. False Indicate whether the statement is true or false
The coefficient of linear expansion of copper is 17 × 10-6 K-1
A block of copper 30 cm wide, 45 cm long, and 10 cm thick is heated from 0°C to 100°C What is the change in the volume of the block? A) 2.3 × 10-5 m3 B) 4.6 × 10-5 m3 C) 5.2 × 10-5 m3 D) 6.9 × 10-5 m3 E) 13.8 × 10-5 m3