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Posted by on Saturday, April 14, 2012 at 7:00pm.

What is the key ingredient for electromagnetic induction? A) Motion.B) Energy.C) Force.D) Magnetic charge.E) Electric charge.

  • principles of physics - , Saturday, April 14, 2012 at 7:25pm

    is this motion

  • principles of physics - , Sunday, April 15, 2012 at 3:10pm


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