Which of the following combinations should be selected for better running of an L-C-R circuit us...
Which of the following combinations should be selected for better running of an L-C-R circuit used for communication?
(1) \( R=20 \Omega, L=1 \cdot 5 \mathrm{H}, C=35 \mu \mathrm{F} \)
(2) \( R=25 \Omega, L=2 \cdot 5 \mathrm{H}, C=45 \mu F \)
(3) \( R=15 \Omega, L=3 \cdot 5 \mathrm{H}, \mathrm{C}=30 \mu \mathrm{F} \)
(4) \( R=25 \Omega, L=1 \cdot 5 \mathrm{H}, C=45 \mu F \)
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