As a summer intern at a research lab, you are given a long sc that has two separate windings that are wound close together same direction, on the same hollow cylindrical form. You mus determine the number of turns in each winding The solenoid length L = 39.0 cm and diameter 2.80 cm You let a 2.00-mA current flow in winding 1 and vary the current I in w both currents flow in the same direction. Then you measure th magnetic-field magnitude B at the center of the solenoid as a of I You plot your results as BL/ug versus I The graph in shows the best-fit straight line to your data

University Physics Volume 2
18th Edition
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Chapter13: Electromagnetic Induction
Section: Chapter Questions
Problem 85CP: A long solenoid with 10 turns per centimeter is placed inside a copper ring such that both objects...
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Part A
As a summer intern at a research lab, you are given a long solenoid
that has two separate windings that are wound close together, in the
same direction, on the same hollow cylindrical form. You must
determine the number of turns in each winding The solenoid has
length L = 39 0 cm and diameter 2.80 cm You let a
2.00-mA current flow in winding 1 and vary the current I in winding 2,
both currents flow in the same direction. Then you measure the
magnetic-field magnitude B at the center of the solenoid as a function
of I You plot your results as BL/ug versus I The graph in (Eigure 1)
shows the best-fit straight line to your data
Why the data plotted in this way should fall close to a straight line? Select the correct explanation below
O The ratio BL/un has linear dependence on number of turns
O The ratio BL/ug has linear dependence on current
O The ratio BL/un has linear dependence on the product of the currents in both windings
Submit
Request Answer
Figure
1 of 1
Part B
Use the graph to calculate the number of turns in winding 1.
BL/Ho (A)
16.00
Express your answer using three significant figures.
12.00
?
8.00
4,00
N =
0.00
0.00 1.00 2.00 3,00 4.00 5.00 6.00
I (mA)
Submit
Request Answer
Transcribed Image Text:Part A As a summer intern at a research lab, you are given a long solenoid that has two separate windings that are wound close together, in the same direction, on the same hollow cylindrical form. You must determine the number of turns in each winding The solenoid has length L = 39 0 cm and diameter 2.80 cm You let a 2.00-mA current flow in winding 1 and vary the current I in winding 2, both currents flow in the same direction. Then you measure the magnetic-field magnitude B at the center of the solenoid as a function of I You plot your results as BL/ug versus I The graph in (Eigure 1) shows the best-fit straight line to your data Why the data plotted in this way should fall close to a straight line? Select the correct explanation below O The ratio BL/un has linear dependence on number of turns O The ratio BL/ug has linear dependence on current O The ratio BL/un has linear dependence on the product of the currents in both windings Submit Request Answer Figure 1 of 1 Part B Use the graph to calculate the number of turns in winding 1. BL/Ho (A) 16.00 Express your answer using three significant figures. 12.00 ? 8.00 4,00 N = 0.00 0.00 1.00 2.00 3,00 4.00 5.00 6.00 I (mA) Submit Request Answer
Part C
Use the graph to calculate the number of turns in winding 2.
Express your answer using three significant figures.
?
N2 =
Submit
Request Answer
Part D
If the current in winding 1 remains 2.00 mA in its original direction and winding 2 has I = 5.00 mA in the opposite direction, what is B at the center of the solenoid?
Express your answer with the appropriate units.
HA
B =
Value
Units
Subrmit
Reguort Ancum
Transcribed Image Text:Part C Use the graph to calculate the number of turns in winding 2. Express your answer using three significant figures. ? N2 = Submit Request Answer Part D If the current in winding 1 remains 2.00 mA in its original direction and winding 2 has I = 5.00 mA in the opposite direction, what is B at the center of the solenoid? Express your answer with the appropriate units. HA B = Value Units Subrmit Reguort Ancum
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