A single circular loop of wire lies flat in the plane of the page
PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
A single circular loop of wire lies flat in the plane of the page. The current in the loop is counterclockwise when viewed from above. Which of the following best describes the direction of the magnetic field at the very center of the loop?
(a) B=0 at the center of the loop
(b) Into the page (away from the observer)
(c) Out of the page (toward the observer)
(d) Tangent to the loop, pointing clockwise