The constant ke, which appears in Coulomb's law formula, is equivalent dimensionally to which of the following?
a. N/C
c. N/C2
b. N×m2/C2
d. N×m/C
B
You might also like to view...
Imagine that a certain engine can cause the road to exert a certain maximum forward force on a certain car. If we change the car’s design to reduce its drag coefficient by a factor of 2, by what factor will the car’s maximum speed increase (other things being equal)?
A. No increase B. 1.41 C. 2 D. 4 E. Depends (specify) F. Other (specify)
All organisms have finite lifetimes and eventually die. Which of the basic characteristics of life corrects for this?
A) energy utilization B) response to the environment C) evolutionary adaptation D) reproduction
When a switch is closed to complete a DC series RL circuit,
A. the electric field in the wires increases to a maximum value. B. the magnetic field outside the wires increases to a maximum value. C. the rate of change of the electric and magnetic fields is greatest at the instant when the switch is closed. D. all of the above are true. E. only (a) and (c) above are true.
In beta decays
a. a proton changes to a neutron. b. a neutron changes to a proton. c. an electron is present in the nucleus before the decay. d. (a), (b) or (c) may occur. e. only (a) or (b) may occur.