29. Sources of Magnetic Field

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Field due to straight wire carrying current (inside) | Moving charges & magnetism | Khan Academy

Field due to straight wire carrying current (Outside) | Moving charges & magnetism | Khan Academy

A closed curve encircles several conductors. The line integral ∲B .dl around this curve is 3.83 * 10^-4 T m. (b) If you were to integrate around the curve in the opposite direction, what would be the value of the line integral? Explain.

Ampere's Law with Calculus

As a new electrical technician, you are designing a large solenoid to produce a uniform 0.150-T magnetic field near the center of the solenoid. You have enough wire for 4000 circular turns. This solenoid must be 55.0 cm long and 2.80 cm in diameter. What current will you need to produce the necessary field?

A solid conductor with radius a is supported by insulating disks on the axis of a conducting tube with inner radius b and outer radius c (Fig. E28.43). The central conductor and tube carry equal currents I in opposite directions. The currents are distributed uniformly over the cross sections of each conductor. Derive an expression for the magnitude of the magnetic field (b) at points outside the tube (r > c).

Finding the Magnetic Field Due to a Long, Straight, Current Carrying Wire Using Ampere's Law

Magnetic Field Inside a Solenoid

A solid, cylindrical conductor carries a uniform current density, J. If the radius of the cylindrical conductor is R, what is the magnetic field at a distance ? from the center of the conductor when r &lt; R? What about when r &gt; R?<img src="https://static.studychannel.pearsonprd.tech/courses/physics/thumbnails/images/e479ee11"alt=""/>

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Magnetic Force Between Two Moving Charges

Biot-Savart Law (Calculus)

Magnetic Force Between Parallel Currents

Magnetic Field Produced by Moving Charges

Toroidal Solenoids aka Toroids

Magnetic Field Produced by Straight Currents

Magnetic Field Produced by Loops and Solenoids

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