Physics, 21.10.2021 14:00 chynahbug5676

: Đặt điện áp u = 60cos(120πt) (V) vào hai đầu của một cuộn cảm thì cường độ dòng điện tức thời i = 1,5 cos(120πt – π/6) (A). Cuộn cảm này có độ tự cảm bằng

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: Đặt điện áp u = 60cos(120πt) (V) vào hai đầu của một cuộn cảm thì cường độ dòng điện tức thời i =...

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