A.\(\dfrac{{{L_M}}}{{{L_N}}} = 10\log \dfrac{{{I_M}}}{{{I_N}}}\left( {dB} \right)\)
B.\(\dfrac{{{L_M}}}{{{L_N}}} = 10\log \dfrac{{{I_N}}}{{{I_M}}}\left( {dB} \right)\)
C.\({L_M} - {L_N} = 10\log \dfrac{{{I_M}}}{{{I_N}}}\left( {dB} \right)\)
D.\({L_M} - {L_N} = 10\log \dfrac{{{I_N}}}{{{I_M}}}\left( {dB} \right)\)
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Hóa Học lớp 12
