Question

A horizontal current-carrying wire that is perpendicular to the plane of the paper is placed in...

A horizontal current-carrying wire that is perpendicular to the plane of the paper is placed in a uniform magnetic field of magnitude 2.8 mTmT that is parallel to the plane of the paper and points down. At the distance 1.0 cmcm to the right of the wire, the total magnetic field is zero.

A.

What is the direction of the current in the wire if the zero point is 0.4  to the left of the wire?

Into the page.
Out of the page.
Direction cannot be uniquely determined.

B.

What is the magnitude of the current in the wire if the zero field point is 0.4 cmcm to the left of the wire?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A long wire carrying a 4.0 A current perpendicular to the xy-plane intersects the x-axis at...
A long wire carrying a 4.0 A current perpendicular to the xy-plane intersects the x-axis at x=−2.2cm. A second, parallel wire carrying a 2.8 A current intersects the x-axis at x=+2.2cm A) At what point on the x-axis is the magnetic field zero if the two currents are in the same direction? B) At what point on the x-axis is the magnetic field zero if the two currents are in opposite directions?
A long, straight wire carrying a current I1 is placed on a horizontal table in front...
A long, straight wire carrying a current I1 is placed on a horizontal table in front of you and the direction of the current points +x axis. The magnetic field produced by the current I1 at a point 5 cm above the wire is 0.2 T. A second parallel wire carrying a current I2 = 3I1 is placed 10 cm above the first wire and the direction of the current also points +x axis. What is the direction of the...
A long wire carrying a 5.0 A current perpendicular to the xy-plane intersects the x-axis at...
A long wire carrying a 5.0 A current perpendicular to the xy-plane intersects the x-axis at x=−2.0cm . A second, parallel wire carrying a 3.5 A current intersects the x-axis at x=+2.0cm At what point on the x-axis is the magnetic field zero if the two currents are in the same direction? At what point on the x-axis is the magnetic field zero if the two currents are in opposite directions?
A long wire carrying a 5.0 A current perpendicular to the xy-plane intersects the x-axis at...
A long wire carrying a 5.0 A current perpendicular to the xy-plane intersects the x-axis at x=−2.0cm. A second, parallel wire carrying a 2.0 A current intersects the x-axis at x=+2.0cm. A) At what point on the x-axis is the magnetic field zero if the two currents are in the same direction? B) At what point on the x-axis is the magnetic field zero if the two currents are in opposite directions?
A long wire carrying a 4.5 A current perpendicular to the xy-plane intersects the x-axis at...
A long wire carrying a 4.5 A current perpendicular to the xy-plane intersects the x-axis at x=−2.0cm. A second, parallel wire carrying a 3.0 A current intersects the x-axis at x=+2.0cm. At what point on the x-axis is the magnetic field zero if the two currents are in the same direction? At what point on the x-axis is the magnetic field zero if the two currents are in opposite directions?
A butterfly is perched on a horizontal length of current-carrying wire. The wire is oriented at...
A butterfly is perched on a horizontal length of current-carrying wire. The wire is oriented at right angles to a uniform magnetic field that is just strong enough to support the weight of the butterfly and the wire. The butterfly has a mass of 1.5 g and the wire has a mass of 5 g and a length of 10 cm. If the magnitude of the current is 1.6 A directed to the left, what is the magnitude of the...
The magnetic torque exerted on a flat current carrying loop of wire by a uniform magnetic...
The magnetic torque exerted on a flat current carrying loop of wire by a uniform magnetic field is: Select one: a. maximum when the plane of the loop is perpendicular to the magnetic field b. minimum when the plane of the loop is perpendicular to the magnetic field c. independent of the orientation of the loop d. maximum when the plane of the loop at an 45 to the magnetic field e. minimum when the plane of the loop is...
A current carrying wire is in the shape of an equilateral triangle of edge length 5.0...
A current carrying wire is in the shape of an equilateral triangle of edge length 5.0 cm. The triangle lies in the z = 0 plane. The wire carries a current of 2.6 A. (a) What is the magnitude of the torque on the wire if it is in a region with a uniform magnetic field of magnitude 0.32 T that points in the +z direction? ___ N·m (b) What is the magnitude of the torque on the wire if...
A long, straight wire carrying 1.5 A of current to the left is placed above a...
A long, straight wire carrying 1.5 A of current to the left is placed above a large, flat sheet through which the current per unit width is 4.0 A/m to the left. Part A What is the magnitude of the magnetic force exerted on each 1.0-m length of the wire? FB/? = N/m   Part B What is the direction of the magnetic force? The magnetic force is downward. The magnetic force is directed to the right. The magnetic force is...
A current-carrying wire is in the shape of a square of edge length 5.0 cm. The...
A current-carrying wire is in the shape of a square of edge length 5.0 cm. The square lies in the z = 0 plane. The wire carries a current of 2.1 A. (a) What is the magnitude of the torque on the wire if there is a uniform magnetic field of magnitude 0.28 T in the +z direction? (b) What is the magnitude of the torque if the field is in the +x direction?