Recent content by equinox2012

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    Average Back EMF Induced in Coil in Loudspeaker

    Thank you for the help! ;)
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    Average Back EMF Induced in Coil in Loudspeaker

    Hi, I would appreciate any help with the following: The coil in a loudspeaker has an inductance of L = 112 microH. To produce a sound of frequency 40kHz, the current must oscillate between peak values of + and - 4.4 A in half a period. What average back emf is induced in the coil during this...