Physics, 14.12.2021 07:30 texas101st78

Cho 3 hộp đen X ,Y, Z có 3 linh kiện khác nhau là điện trở thuần, cuộn cảm thuần hoặc tụ điện. biết khi đặt vào 2 đầu đoạn mạnh MN diện áp U=100√2cos100πt(v) thì cường độ dòng diện chạy trong mạch i=√2cos100πt(v) và điện áp giữa 2 đầu đoạn mạch AB và AN là U =100√2cos100πt (v) và U =200cos(100πt-π/4)(v) .xác định từng loại linh kiện của hộp đen và xác định giá trị của chúng

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Cho 3 hộp đen X ,Y, Z có 3 linh kiện khác nhau là điện trở thuần, cuộn cảm thuần hoặc tụ điện. biết...

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