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Assignment for lecture 4

# Assignment for lecture 4 - ASSIGNMENT ASSIGNMENT 75 A very...

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Lecture 17 Topic: Ampere's Law ASSIGNMENT ASSIGNMENT 50 A long thick conductor carries a current I uniformly distributed across its cross sectional area, “Current density J is uniform over the cross section”. Obtain an expression for the magnetic field vector for points internal r < a and point external r > a for the conductor. What is the expression at r = a. B a r I

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Lecture 17 Topic: Ampere's Law ASSIGNMENT ASSIGNMENT 50 A long thin solenoid is bent into a ring of radius R “toroid”. Use Ampere’s law to obtain an expression for the magnetic field inside the toroid. Current I out of page Current I into page B R
Lecture 17 Topic: Ampere's Law

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Unformatted text preview: ASSIGNMENT ASSIGNMENT 75 A very thin planar sheet carries a surface current K measured in Amps/m. Find the magnetic field B on each side of the sheet. K B B Lecture 17 97.315 Basic E&M and Power Engineering Topic: Ampere's Law ASSIGNMENT ASSIGNMENT 75 Show that the Magnetic field B in a coax cable is: I I B a b c 2 2 a Ir B o π μ = a r ≤ r I B o 2 = b r a ≤ ≤ ( 29 r r c I B o 2 2 2-= c r b ≤ ≤ Lecture 17 97.315 Basic E&M and Power Engineering Topic: Ampere's Law ASSIGNMENT ASSIGNMENT 50 Two long pieces of wire carry currents I . Find the magnetic field produced by one wire at the location of the other wire. Obtain an expression for the magnetic force per unit length on the wires. I I R...
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Assignment for lecture 4 - ASSIGNMENT ASSIGNMENT 75 A very...

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