UKY PHY 232 Exam 3 2026 Questions
and Answers
What is x^ x z^?
A. +x^
B. -x^
C. +y^
D. -y^
E. +z^ - Correct answer-D. -y^
A charged particle is moving perpendicular to a magnetic field in a circle with
radius r. An identical particle enters the field, also moving perpendicular to B->,
but with a higher speed than the first particle. The radius of the circle for the
second particle is _________ the radius of the circle for the first particle.
A. smaller than
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, B. larger than
C. equal to - Correct answer-B. larger than
If a current is flowing through an infinite wire that goes into the page (-z^), what
direction is the magnetic field around the wire?
A. clockwise
B. counterclockwise
C. outward
D. inward - Correct answer-A. clockwise
What is the value of the line integral around the path shown?
(inside the circle has a current of 1 A, 2 A and 4 A, clockwise)
A. (-7 A) u0
B. (+7 A) u0
C. (-3 A) u0
D. (+3 A) u0
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and Answers
What is x^ x z^?
A. +x^
B. -x^
C. +y^
D. -y^
E. +z^ - Correct answer-D. -y^
A charged particle is moving perpendicular to a magnetic field in a circle with
radius r. An identical particle enters the field, also moving perpendicular to B->,
but with a higher speed than the first particle. The radius of the circle for the
second particle is _________ the radius of the circle for the first particle.
A. smaller than
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, B. larger than
C. equal to - Correct answer-B. larger than
If a current is flowing through an infinite wire that goes into the page (-z^), what
direction is the magnetic field around the wire?
A. clockwise
B. counterclockwise
C. outward
D. inward - Correct answer-A. clockwise
What is the value of the line integral around the path shown?
(inside the circle has a current of 1 A, 2 A and 4 A, clockwise)
A. (-7 A) u0
B. (+7 A) u0
C. (-3 A) u0
D. (+3 A) u0
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
