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Physics
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31 Dec 2020

What is the formula for the magnetic field due to a solenoid?

Booster class
Electricity and Magnetism
Skill
Understanding the magnetic effect of an electric current
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Ankit Lal
Ankit LalLv10
31 Dec 2020
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

a) Suppose that the current in the solenoid is I(t). Within the solenoid, but far from its ends, what is the magnetic field B(t) due to this current?

b) What is the magnetic flux Phi_1(t) through a single turn of the solenoid?

c) Suppose that the current varies with time, so that dI(t)/dt neq 0. Find the electromotive force EMF induced across the entire solenoid due to the change in current through the entire solenoid.

Two solenoid magnets have identical currents. Solenoid 1 has a radius of 2.0 cm and windings of 400/cm. Solenoid 2 has a radius of 1.5 cm and 150 windings/cm. What is the ratio of the magnetic field in the interior of 1 compared to the magnetic field of solenoid 2?

MRI (magnetic resonance imaging) is a medical techniquethatproduces detailed "pictures" of the interior of the body.Thepatient is placed into a solenoid that is 40cm in diameter and1.0 m long.A100 A current creates a 5.0T magnetic field inside thesolenoid. To carry such alarge current, the solenoid wires arecooled with liquid heliumuntil they become superconducting (noelectric resistance).


How much magnetic energy is stored in the solenoid? Assumethatthe magnetic field is uniform within the solenoid and quicklydropsto zero outside the solenoid. (answer in J)

How many turns of wire does the solenoid have?

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