Magnetic Field HELP: Factors Affecting Coil Strength

duoheer
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Hey ppl. For the magnetic fileld of a current-carrying coil, what are the factors that affect the strength of the magnetic field due to the coil? THANKS:biggrin:
 
on Phys.org
Um ...

(a) "current carrying" should be a serious clue.

(b) what physical properties of a "coil" could possibly influence the strength of the magnetic field?

You might also start by telling everything you DO know about magnetic fields.
 

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