Please hel with Mastering Physics, very lost in magnetism

In summary, magnetism is a physical phenomenon that involves attractive or repulsive forces between objects and is closely related to electricity. It has a wide range of real-world applications, including in everyday items and industrial processes. Magnetism is measured using a magnetometer and the most common unit of measurement is the tesla. Unlike electric charges, magnetic poles always exist in pairs and can attract or repel each other. Magnetism also plays a crucial role in changing the motion of charged particles through the Lorentz force.
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rk2930
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Homework Statement


A long wire carrying a 6.0A current perpendicular to the xy-plane intersects the x-axis at x=−2.0cm. A second, parallel wire carrying a 3.5Acurrent intersects the x-axis atx=+2.0cm.

At what point on the x-axis is the magnetic field zero if the two currents are in the same direction?
Express your answer using two significant figures.

At what point on the x-axis is the magnetic field zero if the two currents are in opposite directions?

I am not sure how to get started

Homework Equations

The Attempt at a Solution

 
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nvr mind i solved it :)
 

Related to Please hel with Mastering Physics, very lost in magnetism

1. What is the concept of magnetism and how does it relate to physics?

Magnetism is a physical phenomenon in which objects exert attractive or repulsive forces on other objects. It is closely related to electricity and is described by the laws of electromagnetism.

2. What are some real-world applications of magnetism?

Magnetism is used in a variety of everyday items, such as speakers, hard drives, and credit cards. It also plays a crucial role in many industrial processes, including generating electricity in power plants and separating materials in recycling facilities.

3. How is magnetism measured and what units are used?

Magnetism is measured using a device called a magnetometer, which can detect the strength and direction of magnetic fields. The most common unit of measurement for magnetic field strength is the tesla (T), although smaller units such as gauss (G) are also used.

4. What is the difference between magnetic poles and electric charges?

Magnetic poles and electric charges are both fundamental properties of matter, but they have distinct differences. Magnetic poles always exist in pairs (north and south), while electric charges can exist as positive or negative. Additionally, magnetic poles can attract or repel each other, while opposite electric charges attract and like charges repel.

5. How does magnetism affect the motion of charged particles?

Magnetism can exert a force on charged particles, causing them to change direction or speed. This is known as the Lorentz force, and it is an essential component of many technologies, including particle accelerators and cathode ray tubes.

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