How far must you be from a long, straight wire carrying 100 A to be sure...
How far must you be from a long, straight wire carrying 100 A to be sure that the magnetic field of the wire is no more than 10% of Earth's magnetic field? Assume the magnetic field of Earth is 0.50 G.
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How far must you be from a long, straight wire carrying 100 A to
be sure...
A long, straight wire carries a current of 7.1A How far from this wire is the...
A long, straight wire carries a current of 7.1A How far from this wire is the magnetic field it produces equal to the Earth's magnetic field, which is approximately 5.0
If the magnetic field due to a long, straight current-carrying wire has a magnitude B at...
If the magnetic field due to a long, straight current-carrying wire has a magnitude B at a distance R from the wire’s center, how far away must you be (in terms of R) for the magnetic field to decrease to B/3?
A long straight wire carries a current I. At 1.0cm from the wire, the magnetic field...
A long straight wire carries a current I. At 1.0cm from the wire, the magnetic field has a magnitude of 2.0 x 10-5T. How far from the wire must you be so that the magnetic field due to the wire has a magnitude of 5.0 x 10-6T? ______cm
At what distance from a long, straight wire carrying a current of 5.3 A is the...
At what distance from a long, straight wire carrying a current of 5.3 A is the magnetic ?eld due to the wire equal to the strength of Earth
How does the magnetic field due to a long straight wire carrying current vary with distance...
How does the magnetic field due to a long straight wire carrying current vary with distance from the wire, ?
The magnetic field 37.0 cm away from a long, straight wire carrying current 9.00 A is...
The magnetic field 37.0 cm away from a long, straight wire carrying current 9.00 A is 4860 µT. (a) At what distance is it 486 µT? cm (b) At one instant, the two conductors in a long household extension cord carry equal 9.00-A currents in opposite directions. The two wires are 3.00 mm apart. Find the magnetic field 37.0 cm away from the middle of the straight cord, in the plane of the two wires. How far is the...
The size of the magnetic force on a straight wire of length L carrying current I...
The size of the magnetic force on a straight wire of length
L carrying current I in a uniform magnetic field
with strength B is
F=ILBsin(?).
Here ? is the angle between the direction of the
current (along the wire) and the direction of the magnetic field.
Hence Bsin(?) refers to the component of the
magnetic field that is perpendicular to the wire, B?. Thus
this equation can also be written as
F=ILB?.
The direction of the magnetic force on...
A long, straight wire carrying a current of 305 A is placed in a uniform magnetic...
A long, straight wire carrying a current of 305 A is placed in a uniform magnetic field that has a magnitude of 6.78 × 10-3 T. The wire is perpendicular to the field. Find a point in space where the net magnetic field is zero. Locate this point by specifying its perpendicular distance from the wire.
2. A very long, straight wire runs from west to east. The wire is 17 m...
2. A very long, straight wire runs from west to east. The wire is 17 m long and carries a 2.6 A current that moves from west to east. a. Earth's magnetic field is approximately uniform, and is directed from south to north. At the location of the wire, the magnetic field has the strength 4.4 x 10-5 T. Calculate the magnitude and direction of the force that Earth's magnetic field applies to the wire. b. What is the magnitude...
4. (a) A long straight wire carrying a current is placed near a current-carrying rectangular loop...
4. (a) A long straight wire carrying a current is placed near
a current-carrying rectangular loop. Describe how, and why, the
loop would move as a result of the magnetic forces from the long
wire. The current in the loop is counterclockwise.
(b) Suppose that you were to put in a different
loop below the long wire (and still in the plane of the page).
Draw the shape of a loop that would...
...experience a total magnetic force of zero...
How does the magnetic field due to a long straight wire carrying current vary with distance from the wire, ?
The size of the magnetic force on a straight wire of length
L carrying current I in a uniform magnetic field
with strength B is
F=ILBsin(?).
Here ? is the angle between the direction of the
current (along the wire) and the direction of the magnetic field.
Hence Bsin(?) refers to the component of the
magnetic field that is perpendicular to the wire, B?. Thus
this equation can also be written as
F=ILB?.
The direction of the magnetic force on...
2. A very long, straight wire runs from west to east. The wire is 17 m long and carries a 2.6 A current that moves from west to east. a. Earth's magnetic field is approximately uniform, and is directed from south to north. At the location of the wire, the magnetic field has the strength 4.4 x 10-5 T. Calculate the magnitude and direction of the force that Earth's magnetic field applies to the wire. b. What is the magnitude...
4. (a) A long straight wire carrying a current is placed near
a current-carrying rectangular loop. Describe how, and why, the
loop would move as a result of the magnetic forces from the long
wire. The current in the loop is counterclockwise.
(b) Suppose that you were to put in a different
loop below the long wire (and still in the plane of the page).
Draw the shape of a loop that would...
...experience a total magnetic force of zero...
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