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Two solenoids stand side-by-side. Solenoid B differs from solenoid A in three respects. Its total current is 2 times as great, it has 4 times as many coils, and it is 3 times as long. How do the magnetic fields inside the two solenoids compare? A.. A standing wave is generated.. B.. Beats are produced.. C.. A traveling wave is generated.. D.. Resonance occurs.. E.. The frequency of the resultant wave decreases.

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The correct answer for this question is letter "E.. The frequency of the resultant wave decreases." The magnetic fields inside the two solenoids compare can give the frequency of the resultant wave decreases, given two solenoids, with current twice as great and 4 times as many coils and 3 times long.

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