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Dit:
Nilai kedua muatan (r)
Dik:
Q₁ = Q₂ = Q
F = 12 N
r = 6 cm = 6.10⁻² m
Jaw:
Kedua muatan sejenis sehingga saling tolak-menolak
F = [k x Q₁ x Q₂] / r²
F = [k x Q²] / r²
Q² = [F x r²] / k
Q² = [12 x (6.10⁻²)²] / 9.10⁹
Q² = [12 x 4] x 10⁻¹³
Saya memilih langkah seperti berikut ini, yakni mengusahakan pangkat genap
Q² = 480 x 10⁻¹²
Q = 4√30 x 10⁻⁶ coulomb atau 4√30 μC
Berarti Q₁ = Q₂ = 4√30 μC
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