Author Question: The length of a certain wire is doubled while the radius is reduced by a factor of 4. What is the ... (Read 32 times)

james9437 · **on:** Jul 29, 2018

The length of a certain wire is doubled while the radius is reduced by a factor of 4. What is the change in the resistance of this wire?

A) It stays the same.
B) It is quadrupled.
C) It is increased by a factor of 32.
D) It is increased by a factor of 16.
E) It is increased by a factor of 8.

Question 2

Mass is a measure of how difficult it is to change the velocity of an object.

Indicate whether the statement is true or false