A long pair of insulated wires serves to conduct 21.5 A of dc current to and from an instrument. Part A If the wires are of negligible diameter but are 2.8 mm apart, what is the magnetic field 10.0 cm from their midpoint, in their plane (Figure 1)? Express your answer using two significant figures. ΜΕ ΑΣΦ Bnet = Submit Request Answer ▼ Part B 2¢ Compare to the magnetic field of the Earth of 5.0 x 10-5 T. Express your answer using two significant figures. ΕΧΕΙ ΑΣΦ Figure 1 of 1 Bnet BEarth Submit Request Answer 10.0 cm Provide Feedback 0 ? ? T Next >

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter24: Magnetic Fields
Section: Chapter Questions
Problem 83A
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A long pair of insulated wires serves to conduct 21.5 A
of dc current to and from an instrument.
Part A
If the wires are of negligible diameter but are 2.8 mm apart, what is the magnetic
field 10.0 cm from their midpoint, in their plane (Figure 1)?
Express your answer using two significant figures.
ΜΕ ΑΣΦ
Bnet =
Submit
Request Answer
▼
Part B
2¢
Compare to the magnetic field of the Earth of 5.0 x 10-5 T.
Express your answer using two significant figures.
ΕΧΕΙ ΑΣΦ
Figure
1 of 1
Bnet
BEarth
Submit
Request Answer
10.0 cm
Provide Feedback
0
?
?
T
Next >
Transcribed Image Text:A long pair of insulated wires serves to conduct 21.5 A of dc current to and from an instrument. Part A If the wires are of negligible diameter but are 2.8 mm apart, what is the magnetic field 10.0 cm from their midpoint, in their plane (Figure 1)? Express your answer using two significant figures. ΜΕ ΑΣΦ Bnet = Submit Request Answer ▼ Part B 2¢ Compare to the magnetic field of the Earth of 5.0 x 10-5 T. Express your answer using two significant figures. ΕΧΕΙ ΑΣΦ Figure 1 of 1 Bnet BEarth Submit Request Answer 10.0 cm Provide Feedback 0 ? ? T Next >
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