In the fabrication of an electrical extension cord, the manufacturer wants to reduce the overall resistance of the wires in the extension cord.

which of the following changes would result in the lowest resistance?
a) decrease the diameter of the wires
b) increase the diameter of the wires
c) choose a metal wire with a larger value of resistivity
d) increase the length of the extension cord

Which statement best explains why an object weight less on mercury than it does on earth

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.

How many electrons does each element require in its valence shell to become stable?