When a current flows through coil, magnetic field is produced around the coil which induces emf also known as back emf. When current in the coil is increased, more magnetic field is produced which in turn increases the induced emf.
These types include gamma rays, x-rays, ultraviolet, infrared, microwaves and radio waves. Together with visible light, all these types of radiation make up what we call the electromagnetic spectrum - the complete spectrum of radiation.
<span>D. People need to have the ability to protect themselves and their homes.</span>
Answer:
20
Explanation:
speed= distance / time 60miles/30hour=2miles/hours
Hey there!
I would say either B or C
Hope this helps you!
God bless ❤️
xXxGolferGirlxXx