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

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler

When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)