duongyenmy79 4/14/2024 11:59:44 AM

Câu 25: Mạch dao động điện từ gồm cuộn cảm thuần có độ tự cảm https://lh7-us.googleusercontent.com/V39n7FHTqAmIotPkMhw7-xUdrjzQvXbBQsNcDjUN7XeGGrkPsxE2Vkt2Ce1A3qWhONJJvXeLvK79faBt16dariVBL433et4xTEEbbeG2NufSUdi-aTAC2_1z3g1ulhkQ5rag6DP4gdklK3k=s800 và tụ điện có điện dung https://lh7-us.googleusercontent.com/V_X55jcR7g9Htk_7rpDqCKrd__wvrlNE_wzl8xo4BrFFThK4VSVdDXeKlGvJIWbaTwrowLtxvOgfVg3egpqKFzIEI5t6D3BHLgiJv_0r8RGSB4tYHLjm3lk2sPEj897FErpvnAQ-WVxrNxA=s800. Tần số dao động riêng của mạch bằng

A. https://lh7-us.googleusercontent.com/Vb5iHTKXkI9WKDgLO6R9BH3Z8dAygxUxQV7cY64cS2XS2pqf1TFgPOYcwalgoko1_CHf1tudkvZ3FVNabxatumXsZIXvVVrN5Sb71TDkzmXCMuCMWO8kCahsqGdzV3-FJ-6WhIUD9UqR974=s800        B. https://lh7-us.googleusercontent.com/P7X_dvAMtY79EHvHSZ-7QCIaACK3ddQDI_7lZyB43FQJNS4qapB31fnqboOiJ_q2yZb25Qt9QM5hrnBIDEaO5fH9180Ow2kTQErJAPdas3zy8_0JL4x6fY8dFVERzE7uvDaaxF6AVm_8wR4=s800        C. https://lh7-us.googleusercontent.com/9DIMtC0WveaRvpG9EO8hy7QbcGpN60jMpwX-R1awHBq02G2lgCfSIy9CUO-rzIE5rHOTXaXrvysf4gcAuWwiK4tbpUeJ7PxLzmyeFkHdUWb4eBCn-6aiC8RWYf9nsOHpLOnd8XEELeqYDqo=s800        D. https://lh7-us.googleusercontent.com/U7YPed6oS_itZOuf1UDb-yjw2q7V6pHnQgwnAOF8m8Vp1cgWR72_Z2RCXbh8bN6qPEg6_b9XxbdOqVvNFX9gVu-QX7fS-Ev3I6m0Vy-7P4MgXJZrkuWQpQCEYMZYzHHJIydyB1kUE7NSUzI=s800

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