IDNLearn.com: Where your questions are met with thoughtful and precise answers. Our experts provide timely and accurate responses to help you navigate any topic or issue with confidence.

How does the strength of a magnetic field around a wire vary?


Sagot :

Answer:

By pointing one's right thumb along the direction of the current, the direction of the magnetic field can by found by curving one's fingers around the wire. The strength of the magnetic field depends on the current I in the wire and r, the distance from the wire.