Question

ANSWER ALL QUESTIONS
Use the following information to answer questions 1 and 2.
A near long straight current carrying conductor lying on the y-axis has 10 A current flowing
through it from the top to the bottom. Determine

Question 1.
The magnitude of the magnetic field produced by the conductor at a distance 100 cm away from
the conductor.
A. 2.0 × 10−5?????
B. 4.0 × 10−7?????
C. 6.0 × 10−6?????
D. 9.0 × 10−6?????
E. 2.0 × 10−6?????

Question 2.
The direction of the magnetic field produced by the conductor at a distance 100 cm away from the
conductor.
A. out of the page
B. into the page
C. inward
D. into and out of the page
E. parallel direction to the page

Use the following information to answer questions 3 and 4.
10 loops in the form of a circle have equal diameter of 10 cm. If each loop carries 3 A current in
the clockwise direction and the loops are in the plane described by the X-Y axis.
Question 3.
The magnitude of the magnetic field produced at the center of just one loop is ………………….
A. 9.9 × 10−6?????
B. 8.9 × 10−6?????
C. 7.9 × 10−5?????
D. 1.9 × 10−4?????
E. 6.8 × 10−6?????
Question 4.
The magnitude of the magnetic field produced a distance of 6 cm along the axis of the 10 loops
is ………………………… (take the permeability of vacuum, ?0 = 4? × 10−7?. ?/?)
A. 5.8 × 10−5?????
B. 4.0 × 10−4?????
C. 3.8 × 10−3?????
D. 6.4 × 10−4?????
E. 2.8 × 10−4?????
Question 5.
Compute for the magnitude of the magnetic field produced by a Toroidal solenoid with 50 turns
carrying a current of 5 A at a distance of 40 cm away from the Toroid.
A. 4.3 × 10−5?????
B. 2.3 × 10−1?????
C. 1.3 × 10−3?????
D. 3.3 × 10−5?????
E. 5.3 × 10−4????

Answer 1