elyjiahhall elyjiahhall
  • 01-04-2014
  • Chemistry
contestada

Compare and contrast an electromagnet and a permanent magnet.

Respuesta :

Mitch Mitch
  • 03-04-2014
Electromagnets need a constant electrical current to run, a permanent magnet does not.
Answer Link

Otras preguntas

Find the average rate of change of the function defined by the following table X -2,2,6,10 Y -5,35,75,115
Can someone help me with this
The heating element in an electric kettle is rated as 2.0 kW. If the water in the kettle is at 100.0 °C, what volume of water will be converted into steam in o
Graph y = cos (12/π x)+6 in the interactive widget? ​
Why do people care about being popular—why do others not? Do you yourself value popularity or being well-liked? Cite evidence from this text and your own experi
Which choice is equivalent to the product below?√14 × √10​
1) Examine the diagrams below. 2) Describe and explain the changes in the groups of species 2 through 6 in the “Over Time in Six Stages” graph (the top one). Us
which of these are types of muscles
what is ironic about Willy's constant complaints about the failure of the consumer goods, given his job in Death of A Salesman?
Explain why Hydrogen bonding is the strongest of the intermolecular forces, followed by dipole-dipole interactions and then London dispersion forces.