p33_048 - (c) Since ( L 1 + L 2 ) 1 / 2 , it will decrease...

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48. (a) Since L eq = L 1 + L 2 and C eq = C 1 + C 2 + C 3 for the circuit, the resonant frequency is ω = 1 2 π p L eq C eq = 1 2 π p ( L 1 + L 2 )( C 1 + C 2 + C 3 ) = 1 2 π p (1 . 70 × 10 3 H+2 . 30 × 10 3 H)(4 . 00 × 10 6 F+2 . 50 × 10 6 F+3 . 50 × 10 6 F) = 796 Hz . (b) The resonant frequency does not depend on R so it will not change as R increases.
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Unformatted text preview: (c) Since ( L 1 + L 2 ) 1 / 2 , it will decrease as L 1 increases. (d) Since C 1 / 2 eq and C eq decreases as C 3 is removed, will increase....
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