33. A toroidal inductor with an inductance of 20 mH has a volume of 0.02 m3 . If the average energy density of the toroidal coil is 50.0 J/m3. which of the following values is closest to the current (in amperes) through the inductor?
(A)0.2
(B)1.0
(C)2.0
(D)10.0
(E)20.0
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統計: A(1), B(0), C(0), D(4), E(1) #3091951
統計: A(1), B(0), C(0), D(4), E(1) #3091951
詳解 (共 1 筆)
#6351423
(1/2)*L*i2 = 0.02*50
i = 10
i = 10
0
0