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Verified answer
KELAS = 12PELAJARAN = FISIKA
KATEGORI = Rangkaian Listrik Arus Bolak balik AC
KATA KUNCI = Kapasitas kapasitor, resonansi, frekuensi
Diketahui :
L = 1/625π² H
C = 25 μF = 25x10⁻⁶ F
Ditanyakan : f ?
Dijawab :
f = 1 / 2π √LC
= 1/ [2π √(1/625π² x 25x10⁻⁶)] ..... akar dari 625π² = 25π
= 1 / [2π x 1/25π x 5x10⁻³] ..... π habis dibagi
= 1 / (10/25x10⁻³]
= 1/ 0,4x10³
= 2,5x10³ Hz
= 2,5 KHz
jawaban A