A current in a solenoid coil creates a magnetic field inside that coil. The field strength is directly proportional to:

a. Both A and B are valid choices.
c. the coil area. b. the current.
d. None of the above choices are valid.


B

Physics & Space Science

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Tidal locking is what makes the Moon rotate about its own axis at the same rate that it revolves around Earth

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As the harmonic numbers get larger, the wavelengths get smaller and the frequencies:

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What is a heat engine?

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