The Magnetic Effect of a Current
 

The Magnetic Effect of a Current problem 18


A strong electromagnet is used to attract pins. What happens when the current in the coil is halved?




  • Some pins are attracted, but not as many.

  • More pins are attracted.

  • No pins are attracted.

  • The same number of pins is attracted.


 

main author and content editor: Adebola Oluwadare