로그인
WAEC - Physics (2009 - No. 40)
If the direction of the curent in a straight wire is reversed, the magnetic field
remains the same
becomes parallel to the wire
ceases to exist
is oppositely directed
댓글 (0)
댓글을 달려면 로그인하세요
광고
자바스크립트가 이 페이지를 올바르게 로드하도록 허용
