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

Maria exercises for 2 1/7 hours every Saturday. She runs for 1/3 of the time that she exercises. How much time does she spend running every Saturday?
If A+B=76  and A -B=38 whats A divided by B
a gasoline pump delivers 4 2/5 gallons of gas per minute. how many minutes will it take to fill a gas tank that holds 16 1/2 gallons?
What is 10 percent of 80
Why did the americans go to Oregon during manifest destiny and why did the mormon go to utah??
Slope= 1/5, y-intercept=1
What would be m minus 4 in an algebraic expression
You hear a thunder 3 seconds after you see lightning. How far away is the storm?
What happens at a conservative plate boundary? Someone please help me in this because I have test today. Aswell please don't copy it from the internet.
If (x − 2)^2=49, then x could be ?