Question and answer
A current in a long, straight wire produces a magnetic field. These magnetic field lines a. radiate out from the wire to infinity. b. come in from infinity to the wire. c. form circles that pass through the wire. d. form circles that go around the wire.
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A current in a long, straight wire produces a magnetic field. These magnetic field lines form circles that go around the wire. p://
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Asked 6/30/2016 9:48:17 AM
Updated 6/30/2016 12:41:04 PM
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This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/30/2016 12:40:59 PM], Edited by jeifunk [6/30/2016 12:41:04 PM]
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All of the following statements about the electromagnetic force are true except which one? a. It is one of the four fundamental forces in the universe. b. It exerts a force on either charged or uncharged particles. c. It obeys the inverse-square law. d. It is produced by—and produces—electric and magnetic fields.
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Not Answered
Updated 6/30/2016 3:12:12 PM
1 Answer/Comment
All of the following statements about the electromagnetic force are true except - It exerts a force on either charged or uncharged particles.
Added 6/30/2016 3:12:12 PM
This answer has been confirmed as correct and helpful.
Which of the following modifications to a solenoid would be most likely to decrease the strength of its magnetic field? a. removing its iron rod core and increasing the number of coils b. increasing the current and reducing the number of coils c. reducing the number of coils and inserting an iron core d. decreasing the current and reducing the number of coils
Question
Updated 6/30/2016 10:06:14 AM
1 Answer/Comment
Decreasing the current and reducing the number of coils to a solenoid would be most likely to decrease the strength of its magnetic field.

Added 6/30/2016 10:06:14 AM
This answer has been confirmed as correct and helpful.
A wire in a lamp that is turned on would have a magnetic field around it. TRUE or FALSE.
Weegy: A wire in a lamp that is turned on would have a magnetic field around it. TRUE. User: Current passing through a conductor is increased from 10 A to 15 A. This decreases the strength of the magnetic field produced by the conductor. (More)
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Updated 6/30/2016 10:08:03 AM
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The lines of the magnetic field around a current-carrying wire a. point away from the wire. b. point toward the wire. c. form concentric circles around the wire. d. are parallel with the wire.
Weegy: The lines of the magnetic field around a current-carrying wire form concentric circles around the wire. (More)
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Updated 6/30/2016 10:13:02 AM
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The use of electricity to control, communicate, and process information is called electroinformatics. TRUE or FALSE.
Weegy: The use of electricity to control, communicate, and process information is called electroinformatics. FALSE. User: An electric current that is varied to represent information is a(n) a. electronic signal. b. digital signal. c. integrated circuit. d. electromagnetic wave. (More)
Question
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Updated 6/30/2016 3:19:55 PM
1 Answer/Comment
An electric current that is varied to represent information is an electronic signal.
Added 6/30/2016 11:46:54 AM
This answer has been confirmed as correct and helpful.
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