1. which type of wire would be a better conductor of an electrical current?
a. short, fat, cold wire
b. long, thin, warm wire

2. as the collisions between electrons and protons increase, the electrical current will
a. increase
b. decrease

3. which change will cause an increase in the resistance of conductivity?
a. changing from a long wire to a shorter wire.
b. sunlight heating up a wire.
c. exchanging a thin wire for a much thicker wire.

for the ! < 3

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.