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There are three solenoids. Solenoid "A" has a length L and N-turns, Solenoid "B" has a...

There are three solenoids. Solenoid "A" has a length L and N-turns, Solenoid "B" has a length of 2L and N turns, and Solenoid "C" has L / 2 and 2N turns. If each solenoid carries the same current, rank it according to the strength of the magnetic field in the center of each solenoid, from highest to lowest
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