at the surface question
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"When the round steel bar is magnetised by passing alternating current through its length flux density is greatest at the surface"
I found it in the book written by English people
I don't know why there is 'at' and not 'on' the surface. Do you know why?
questions expression-requests
asked Apr 5 at 19:45
Piotr ŁazorkoPiotr Łazorko
41
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"When the round steel bar is magnetised by passing alternating current through its length flux density is greatest at the surface"
I found it in the book written by English people
I don't know why there is 'at' and not 'on' the surface. Do you know why?
questions expression-requests
asked Apr 5 at 19:45
Piotr ŁazorkoPiotr Łazorko
41
New contributor
Piotr Łazorko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Welcome to EL&U. Possibly because it is a point with respect to the center. I assume you are talking about skin effect?
– Cascabel
Apr 5 at 20:36
add a comment |
"When the round steel bar is magnetised by passing alternating current through its length flux density is greatest at the surface"
I found it in the book written by English people
I don't know why there is 'at' and not 'on' the surface. Do you know why?
questions expression-requests
asked Apr 5 at 19:45
Piotr ŁazorkoPiotr Łazorko
41
New contributor
Piotr Łazorko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
"When the round steel bar is magnetised by passing alternating current through its length flux density is greatest at the surface"
I found it in the book written by English people
I don't know why there is 'at' and not 'on' the surface. Do you know why?
questions expression-requests
questions expression-requests
asked Apr 5 at 19:45
Piotr ŁazorkoPiotr Łazorko
41
New contributor
Piotr Łazorko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked Apr 5 at 19:45
Piotr ŁazorkoPiotr Łazorko
41
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asked Apr 5 at 19:45
Piotr ŁazorkoPiotr Łazorko
41
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asked Apr 5 at 19:45
Piotr ŁazorkoPiotr Łazorko
41
asked Apr 5 at 19:45
Piotr ŁazorkoPiotr Łazorko
41
41
New contributor
Piotr Łazorko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor
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Welcome to EL&U. Possibly because it is a point with respect to the center. I assume you are talking about skin effect?
– Cascabel
Apr 5 at 20:36
add a comment |
Welcome to EL&U. Possibly because it is a point with respect to the center. I assume you are talking about skin effect?
– Cascabel
Apr 5 at 20:36
Welcome to EL&U. Possibly because it is a point with respect to the center. I assume you are talking about skin effect?
– Cascabel
Apr 5 at 20:36
Welcome to EL&U. Possibly because it is a point with respect to the center. I assume you are talking about skin effect?
– Cascabel
Apr 5 at 20:36
add a comment |
1 Answer
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Invisible but measurable physical phenomena such as wind speed, temperature, or electrical charge are said to occur at the surface of a solid or liquid. Visible objects, however, rest on the surface. A river or ocean current, for instance, might have a different speed at the surface, which will also affect anything floating on the surface.
Surface states are electronic states which are strongly localized at the surface or interface of a solid. — Robert J. Gale, Spectroelectrochemistry: Theory and Practice, 1988, 136.
This gain of energy at the surface warms the surface. As a result, surface air temperature shows less diurnal range than if there were no heat storage in the soil. The same behavior occurs annually, when heat is stored in soil in warm months and released during cold months. — Gordon B. Bonan, Ecological Climatology: Concepts and Applications, 2002, 185.
High pressure at the surface of the Earth is caused by there being more air in the vertical column from the surface up to the top of the atmosphere than in a column with lower pressure at the surface. — Peter Inness, Understand The Weather: Teach Yourself, 2010.
answered Apr 5 at 20:39
KarlGKarlG
23.2k63362
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Invisible but measurable physical phenomena such as wind speed, temperature, or electrical charge are said to occur at the surface of a solid or liquid. Visible objects, however, rest on the surface. A river or ocean current, for instance, might have a different speed at the surface, which will also affect anything floating on the surface.
Surface states are electronic states which are strongly localized at the surface or interface of a solid. — Robert J. Gale, Spectroelectrochemistry: Theory and Practice, 1988, 136.
This gain of energy at the surface warms the surface. As a result, surface air temperature shows less diurnal range than if there were no heat storage in the soil. The same behavior occurs annually, when heat is stored in soil in warm months and released during cold months. — Gordon B. Bonan, Ecological Climatology: Concepts and Applications, 2002, 185.
High pressure at the surface of the Earth is caused by there being more air in the vertical column from the surface up to the top of the atmosphere than in a column with lower pressure at the surface. — Peter Inness, Understand The Weather: Teach Yourself, 2010.
answered Apr 5 at 20:39
KarlGKarlG
23.2k63362
add a comment |
Invisible but measurable physical phenomena such as wind speed, temperature, or electrical charge are said to occur at the surface of a solid or liquid. Visible objects, however, rest on the surface. A river or ocean current, for instance, might have a different speed at the surface, which will also affect anything floating on the surface.
Surface states are electronic states which are strongly localized at the surface or interface of a solid. — Robert J. Gale, Spectroelectrochemistry: Theory and Practice, 1988, 136.
This gain of energy at the surface warms the surface. As a result, surface air temperature shows less diurnal range than if there were no heat storage in the soil. The same behavior occurs annually, when heat is stored in soil in warm months and released during cold months. — Gordon B. Bonan, Ecological Climatology: Concepts and Applications, 2002, 185.
High pressure at the surface of the Earth is caused by there being more air in the vertical column from the surface up to the top of the atmosphere than in a column with lower pressure at the surface. — Peter Inness, Understand The Weather: Teach Yourself, 2010.
answered Apr 5 at 20:39
KarlGKarlG
23.2k63362
add a comment |
Invisible but measurable physical phenomena such as wind speed, temperature, or electrical charge are said to occur at the surface of a solid or liquid. Visible objects, however, rest on the surface. A river or ocean current, for instance, might have a different speed at the surface, which will also affect anything floating on the surface.
Surface states are electronic states which are strongly localized at the surface or interface of a solid. — Robert J. Gale, Spectroelectrochemistry: Theory and Practice, 1988, 136.
This gain of energy at the surface warms the surface. As a result, surface air temperature shows less diurnal range than if there were no heat storage in the soil. The same behavior occurs annually, when heat is stored in soil in warm months and released during cold months. — Gordon B. Bonan, Ecological Climatology: Concepts and Applications, 2002, 185.
High pressure at the surface of the Earth is caused by there being more air in the vertical column from the surface up to the top of the atmosphere than in a column with lower pressure at the surface. — Peter Inness, Understand The Weather: Teach Yourself, 2010.
answered Apr 5 at 20:39
KarlGKarlG
23.2k63362
Invisible but measurable physical phenomena such as wind speed, temperature, or electrical charge are said to occur at the surface of a solid or liquid. Visible objects, however, rest on the surface. A river or ocean current, for instance, might have a different speed at the surface, which will also affect anything floating on the surface.
Surface states are electronic states which are strongly localized at the surface or interface of a solid. — Robert J. Gale, Spectroelectrochemistry: Theory and Practice, 1988, 136.
This gain of energy at the surface warms the surface. As a result, surface air temperature shows less diurnal range than if there were no heat storage in the soil. The same behavior occurs annually, when heat is stored in soil in warm months and released during cold months. — Gordon B. Bonan, Ecological Climatology: Concepts and Applications, 2002, 185.
High pressure at the surface of the Earth is caused by there being more air in the vertical column from the surface up to the top of the atmosphere than in a column with lower pressure at the surface. — Peter Inness, Understand The Weather: Teach Yourself, 2010.
answered Apr 5 at 20:39
KarlGKarlG
23.2k63362
answered Apr 5 at 20:39
KarlGKarlG
23.2k63362
answered Apr 5 at 20:39
KarlGKarlG
23.2k63362
answered Apr 5 at 20:39
KarlGKarlG
23.2k63362
23.2k63362
add a comment |
add a comment |
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Welcome to EL&U. Possibly because it is a point with respect to the center. I assume you are talking about skin effect?
– Cascabel
Apr 5 at 20:36