A 2mm long wire carries a current of 0.5A directed out of the page. The magnetic field due to this bit of wire at a point P which is 3 meters to the right of and 3 meters lower than the wire (see the figure below) is
a)5.56 x 10^-12 T pointing upwards 45 degrees to the right
b)5.56 x 10^-12 T pointing downwards 45 degrees to the left
c)3.93 x 10^-12 T pointing upwards 60 degrees to the right
d)3.93 x 10^-12 T pointing downwards 30 degrees to the left
Homework Answers
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A 2mm long wire carries a current of 0.5A directed out of the
page. The magnetic...
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13. A metal bar of height 20cm lying in the plane of the page is moved through a magnetic field at a speed of 0.2m/s towards the right (see the figure below). The field has magnitude 0.5T and points out of the page. The charge separation induced in the bar is the same as would be caused by an EMF: a. 0.004 V upward b. 0.0004 V downward c. 0.02 V upward d. 0.02 V downward 0.2 m/s B-0.5T 4....
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A 10cm length of wire carries 0.3 A in the direction toward the top of the...
A 10cm length of wire carries 0.3 A in the direction toward the
top of the page. The magnetic field due to this wire at a point P
which is 2 meters directly below the wire is:
a. 8.0 x 10-10 T pointing into the page
b. 8.0 x 10-10 T pointing out of the page
c. 4.0 x 10-10 T pointing out of the page
d. Zero
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A current is directed out of the page in a region where the magnetic field is up on the page. What direction is the magnetic force on the current (if any)? Into the page Out of the page O There is no magnetic force on the wire Down on page Up on page Right Left
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A square loop of wire carries a current I. Current is flowing in
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16) If this loop is placed in a
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up
down
left
right
zero
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Do 5.
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Problem 20.71 A long, straight wire carries a current of 10.0 A, as shown in the...
Problem 20.71 A long, straight wire carries a current of 10.0 A, as shown in the figure 5.00 cm A ←-7.00 cm 10.0A Part A Use the law of Blot and Savart to find the direction of the magnetic field at point P due to the 2.20 mm segment A ANSWER The field is directed into the page. The field is directed out of the page. The field is directed to the right. The field is directed to the left....
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PLEASE HELP!!! 8. Two long, parallel wires each carry a current I in the same direction...
PLEASE HELP!!!
8. Two long, parallel wires each
carry a current I in the same direction as shown in the figure. The
magnetic field at the point P, midway between the two wires is
________.
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directed out of the page
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9. A long, straight wire carries a current of 20A to the right....
13. A metal bar of height 20cm lying in the plane of the page is moved through a magnetic field at a speed of 0.2m/s towards the right (see the figure below). The field has magnitude 0.5T and points out of the page. The charge separation induced in the bar is the same as would be caused by an EMF: a. 0.004 V upward b. 0.0004 V downward c. 0.02 V upward d. 0.02 V downward 0.2 m/s B-0.5T 4....
Along straight wire cames a current directed upwards, what is the direction of the magnetic field to the right of the wire? toward the right side of the screen toward the left of the screen toward the top of the screen toward the bottom of the screen to screen out of scroon Question 18 A long straight wire carries a current directed downwards, what is the direction of the magnetic field to the left of the wire? toward the right...
A 10cm length of wire carries 0.3 A in the direction toward the
top of the page. The magnetic field due to this wire at a point P
which is 2 meters directly below the wire is:
a. 8.0 x 10-10 T pointing into the page
b. 8.0 x 10-10 T pointing out of the page
c. 4.0 x 10-10 T pointing out of the page
d. Zero
A 10cm length of wire carries 0.3 A in the direction toward...
A current is directed out of the page in a region where the magnetic field is up on the page. What direction is the magnetic force on the current (if any)? Into the page Out of the page O There is no magnetic force on the wire Down on page Up on page Right Left
A square loop of wire carries a current I. Current is flowing in
a counterclockwise direction as shown.
16) If this loop is placed in a
uniform magnetic field pointing out the page, what is the direction
of the net force on the loop?
up
down
left
right
zero
17) Now the loop is placed near a
horizontal wire with current moving to the left. If the horizontal
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Do 5.
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PLEASE HELP!!!
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magnetic field at the point P, midway between the two wires is
________.
zero
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parallel to the wires in the same direction as the
current.
parallel to the wires, in the opposite direction as the
current.
9. A long, straight wire carries a current of 20A to the right....
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