Asked by sophie

There are four coils of wire being used as electromagnets. They all have the same size and are made up of the same material but have a different number of loops. Which coil will produce a magnetic field with the maximum strength when the same amount of current passes through all coils?
A. a coil having 10 loops
B. a coil having 25 loops
C. a coil having 30 loops
D. a coil having 45 loops
would it be D?

Answered by bobpursley
yes
Answered by sophie
thought so, thanks
Answered by Anonymous
its B. 25 loops. I am trying get get how its 25. I got this wrong on my exam but my professor gave us the answer. My answer was D as well
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