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Questions tagged 'Electromagnetism'

10 questions

Gauss Law question that ask for F/A?

Three large, thin charged sheets are parallel to each other, as shown in the figure. Sheet I has a total surface charge density of 7.9 nC/m², sheet II has a charge density of -3.3 nC/m², and sheet III...

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Anonymous

Feb 08, 2025

college Physics problem (You want to create an electric field E = N/C at location …)?

I have two physics problems I'm struggling with: I want to create an electric field E = <0, 30000, 0> N/C at the location <0, 0, 0>. A) Where would I place a proton to produce this f...

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Anonymous

Feb 04, 2025

Need help with electromagnetism – Please!!!!!?

I need assistance with a problem in electromagnetism. The magnetic field inside a solenoid with a diameter of 5.0 cm is measured at 2.0 T and is decreasing at a rate of 3.80 T/s. What is the electric...

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Anonymous

Jan 21, 2025

in what sense are all magnets electromagnets?

In what way can we understand that all magnets are essentially electromagnets?

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Anonymous

Dec 19, 2024

A charge Q is transferred from an initially uncharged plastics ball to an identical ball 12 cm away. The force

A charge ( Q ) is transferred from an initially uncharged plastic ball to an identical ball located 12 cm away. The resulting force of attraction between the two balls is measured at 17 mN. How many e...

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Anonymous

Dec 16, 2024

Force between an Infinitely Long Wire and a Square Loop?

A square loop of wire with a side length of ( a ) carries a current ( I_1 ). The center of the loop is positioned a distance ( d ) from an infinitely long wire that carries a current ( I_2 ). Both the...

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Anonymous

Nov 08, 2024

A cylindrical capacitor consists of a solid inner conducting core with radius 0.300 cm…?

A cylindrical capacitor consists of a solid inner conducting core with a radius of 0.300 cm, which is surrounded by an outer hollow conducting tube. The two conductors are separated by air, and the le...

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Anonymous

Oct 20, 2024

Calculate the proton’s initial kinetic energy.?

1) An infinitely long line of charge has a linear charge density of (5.50 \times 10^{-12} \, \text{C/m}). A proton, with a mass of (1.67 \times 10^{-27} \, \text{kg}) and a charge of (1.60 \times 10^{...

Calculate the field inside near the center.?

A thin solenoid measuring 14 cm in length has a total of 420 turns of wire and carries a current of 2.1 A. What is the magnetic field inside the solenoid near its center?

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Anonymous

Oct 17, 2024

In Gauss’s law, to what does q_encl refer?

a) The net charge enclosed within the closed surface. b) The charge located on insulating materials inside the closed surface. c) All the charge present in the entire physical system. d) Any charge in...