A current carrying loop of wire lies flat on a table top. When viewed from above, the current moves around the loop in a counterclockwise sense
(a) For points OUTSIDE the loop, the magnetic field caused by this current
A) circles the loop in a clockwise direction.
B) circles the loop in a counterclockwise direction.
C) points straight up.
D) points straight down.
E) is zero.
(b) For points INSIDE the loop, the magnetic field caused by this current
A) circles the loop in a clockwise direction.
B) circles the loop in a counterclockwise direction.
C) points straight up.
D) points straight down.
E) is zero.
What will be an ideal response?
Answer: (a) D (b) C
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