24．(6
分)
(1)
(2)_______V
(3)____________Ω
(4)______________________________________________________________________
(5)______________________________________________________________________
22．(2分)
23．(2分)
21．
(2分)
20. _______________ ____________ ____________
19．(1)___________ _____________
(2)___________ _____________V
(3)______________KW·h _______________
18．________ ________ __________
17．__________ _________ _____________ _________
16. _________m _________ _______m _________
15．___________ ____________
14．___________m ____________ ____________
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