3. The unit of the electric field E is Volt/m and the unit of the magnetic field B is N/Amp m. What is the unit of E/B?
(A) W
(B) W/m²
(C) m/sec
(D) Joule/m²
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統計: A(0), B(0), C(1), D(0), E(0) #3829838
統計: A(0), B(0), C(1), D(0), E(0) #3829838