subject
Physics, 29.06.2021 23:50 Bloom247

A fuse in an electric circuit is a wire that is designed to melt, and thereby open the circuit, if the current exceeds a predetermined value. Suppose that the material to be used in a fuse melts when the current density rises to 540 A/cm2. What diameter of cylindrical wire should be used to make a fuse that will limit the current to 0.57 A

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 20:20
Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?
Answers: 1
question
Physics, 22.06.2019 12:00
If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
Answers: 1
question
Physics, 22.06.2019 15:40
If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
Answers: 1
question
Physics, 22.06.2019 16:20
What is the single most important equation in all of physics?
Answers: 1
You know the right answer?
A fuse in an electric circuit is a wire that is designed to melt, and thereby open the circuit, if t...
Questions
question
English, 21.08.2019 04:30