10.單相負載的電壓降
=200-/2sin(377t)V,負載電流
=10sin(377t-300)A,此負載之平均功率PL及虛功率Q[分別為何? 統測103
(A)
=1000√2 cos30° W,
=1000√2 30° sin VAR
(B)
=1000cos60°W ,
=1000sin 60° VAR
(C)
=1000√2cos60°W ,
=1000 √2 sin60°VAR
(D)
=2000/2 cos30°W,
=2000√2 sin30°VAR
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統計: A(1), B(1), C(1), D(0), E(0) #3581096
統計: A(1), B(1), C(1), D(0), E(0) #3581096