21.A long, straight wire allows 3.50 A through it. What is the magnitude of the magnetic field 25.0 cm from the wire? Express the answer in microTesla (pT). Write magnitude only, unit is already given. A.
21.A long, straight wire allows 3.50 A through it. What is the magnitude of the magnetic field 25.0 cm from the wire? Express the answer in microTesla (pT). Write magnitude only, unit is already given. A.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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answer 20 and 21
Which formula must be used for this problem?
![21.A long, straight wire allows 3.50 A through it. What is the magnitude of the magnetic field 25.0 cm from the wire? Express the answer in microTesla (pT). Write magnitude only, unit is already given.
OA.
N
2R
В
OB.
F
B =
Il
Hol
B =
2ar
OD.
F
B =
qvsine
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Transcribed Image Text:21.A long, straight wire allows 3.50 A through it. What is the magnitude of the magnetic field 25.0 cm from the wire? Express the answer in microTesla (pT). Write magnitude only, unit is already given.
OA.
N
2R
В
OB.
F
B =
Il
Hol
B =
2ar
OD.
F
B =
qvsine
Activate Win-
Go to Settings to
![20.A solenoid 150 cm long with 1550 turns has a central magnetic field of 1.50 mT. Find the current through the coil.
Which formula must be used for this problem?
А.
B =
2ar
О в.
Hol
N-
2R
B =
В —
F
B =
Il
O D.
F
В 3
B =
qvsin0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F74e063de-17ca-46fc-9172-4a6502182adf%2Fba61c2e6-b944-4781-897f-5b804daaa2cc%2Fsox2hc8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:20.A solenoid 150 cm long with 1550 turns has a central magnetic field of 1.50 mT. Find the current through the coil.
Which formula must be used for this problem?
А.
B =
2ar
О в.
Hol
N-
2R
B =
В —
F
B =
Il
O D.
F
В 3
B =
qvsin0
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