Question
Asked Apr 23, 2019
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Consider three solenoids differing in the number n of turns per unit length, the current i, and the
cross-sectional area A, as follows:
. Solenoid 1: n 2n1, i i1, A 2A1.
. Solenoid 2: n n1, i 2i1, A A
. Solenoid 3: n ni, i i1, A-6A1.
Rank the solenois according to the magnetic energy density within them, greatest first. Justify
your answers.
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Consider three solenoids differing in the number n of turns per unit length, the current i, and the cross-sectional area A, as follows: . Solenoid 1: n 2n1, i i1, A 2A1. . Solenoid 2: n n1, i 2i1, A A . Solenoid 3: n ni, i i1, A-6A1. Rank the solenois according to the magnetic energy density within them, greatest first. Justify your answers.

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Expert Answer

Step 1

The magnetic energy density is,

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Step 2

Magnetic field B is,

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Step 3

Rewrite the first equation by su...

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