Homework Answers
a) the magnetic field lines are circular in shape
b) since the magnetic field is directly proportional to current. When current intensity is increased the magnetic field lines will be more in number and are closer to each other
C)if there is no current there is no magnetic field as both are directly proportional
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The following diagram illustrates the magnetic field around a current carrying wire: Magnetic flield (a) Describe...
A magnetic field is created around a straight current carrying wire as diagrammed below with the...
A magnetic field is created around a straight current carrying wire as diagrammed below with the magnetic field directed into the page above the wire and out of the page below the wire. The current through the wire must be directed X X X X X to the right of the screen OB into the screen C to the left of the screen OD out of the screen
a) A wire carrying a current I is perpendicular to a magnetic field of strength B....
a) A wire carrying a current I is perpendicular to a magnetic field of strength B. Assuming a fixed length of wire, which of the following changes will result in decreasing the force on the wire by a factor of two? Select all correct answers - Decreas the current in th e wire to I/2 - Decrease the field strength to B/2 - Decrease the angle from 90 to 45 degrees - Decrease the angle form 90 to 30 degrees...
13. In each of the following situations current-carrying wire is placed in a magnetic field as...
13. In each of the following situations current-carrying wire is placed in a magnetic field as shown. Determine the direction of the requested quantity. (a) (1 pt) In diagram (a), the wire has a current flowing to the left and the magnetic field is represented by the circles. What is the direction of the force on the wire due to the magnetic field? No direction Value is Zero (b) (1 pt) In diagram (b), the wire has a current flowing...
considering the magnetic field in the center of a current carrying loop of wire 7he magnetic...
considering the magnetic field in the center of a current carrying
loop of wire
7he magnetic field will he stronger if you increase the current you deeease the curient you switch the direction of the current The magnetic field will be stronger if you increase the radius of the loop you decrease the radius of the loop the radius won't affect the field strength the diagram to the righ, indicate the direction
How does the magnitude of magnetic field around a long Straight current carrying wire of radive...
How does the magnitude of magnetic field around a long Straight current carrying wire of radive B depend on radial distan RAR from the lang gxis of wire ? Assuming that the cpirent is steady and uniformly distribe within N the wire, How does the field magnitude che on the radial distance rak from the wire axis-
How does the magnitude of magnetic field around a long straught current carrying wire of radius...
How does the magnitude of magnetic field around a long straught current carrying wire of radius R depend on radial distance r R from the long anis OF wire ? Assuming that the current is steady and uniformly distrbule within v the wire, How does, the field magnitude depera on the radial distance rar from the wire axis
The force exerted on a current-carrying wire located in an external magnetic field is directly proportional...
The force exerted on a current-carrying wire located in an external magnetic field is directly proportional to which of the following? current strength field strength both A and B None of the above are valid.
39. As an electric current flows through a wire, a. a magnetic field is generated that...
39. As an electric current flows through a wire, a. a magnetic field is generated that is inversely related to the current. b. magnetic field lines form around the wire that reverse direction when the current is reversed. c. the lines of magnetic force created closest to the wire are the weakest. d. magnetic lines of force are formed around the wire in the same direction regardless of the direction of the current.
3. draw a diagram of the magnetic field: a. around a long straight wire with a...
3. draw a diagram of the magnetic field: a. around a long straight wire with a current. b. around a coil of wire with a current.
5. a long wire carrying current 100A is perpendicular to the magnetic field lines of a...
5. a long wire carrying current 100A is perpendicular to the magnetic field lines of a uniform magnetic field of magnitude 5 mT. At what distance from the wire is the net magnetic field equal to zero ?
A magnetic field is created around a straight current carrying wire as diagrammed below with the magnetic field directed into the page above the wire and out of the page below the wire. The current through the wire must be directed X X X X X to the right of the screen OB into the screen C to the left of the screen OD out of the screen
13. In each of the following situations current-carrying wire is placed in a magnetic field as shown. Determine the direction of the requested quantity. (a) (1 pt) In diagram (a), the wire has a current flowing to the left and the magnetic field is represented by the circles. What is the direction of the force on the wire due to the magnetic field? No direction Value is Zero (b) (1 pt) In diagram (b), the wire has a current flowing...
considering the magnetic field in the center of a current carrying
loop of wire
7he magnetic field will he stronger if you increase the current you deeease the curient you switch the direction of the current The magnetic field will be stronger if you increase the radius of the loop you decrease the radius of the loop the radius won't affect the field strength the diagram to the righ, indicate the direction
How does the magnitude of magnetic field around a long Straight current carrying wire of radive B depend on radial distan RAR from the lang gxis of wire ? Assuming that the cpirent is steady and uniformly distribe within N the wire, How does the field magnitude che on the radial distance rak from the wire axis-
How does the magnitude of magnetic field around a long straught current carrying wire of radius R depend on radial distance r R from the long anis OF wire ? Assuming that the current is steady and uniformly distrbule within v the wire, How does, the field magnitude depera on the radial distance rar from the wire axis
The force exerted on a current-carrying wire located in an external magnetic field is directly proportional to which of the following? current strength field strength both A and B None of the above are valid.
39. As an electric current flows through a wire, a. a magnetic field is generated that is inversely related to the current. b. magnetic field lines form around the wire that reverse direction when the current is reversed. c. the lines of magnetic force created closest to the wire are the weakest. d. magnetic lines of force are formed around the wire in the same direction regardless of the direction of the current.
5. a long wire carrying current 100A is perpendicular to the magnetic field lines of a uniform magnetic field of magnitude 5 mT. At what distance from the wire is the net magnetic field equal to zero ?
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