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# Tutorial 6 - Ω L=2 H and C=1/6 F Solution Known...

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Final Mark: ECTE 290 Tut 6 Student Name: All questions 1 mark unless indicated. Total 10 Marks. 1. Given an inductance L=2 H and an angular frequency ω =50 determine the impedance Z L (j ω )= j100 . 2. Given a capacitance C=0.002 F and an angular frequency ω =1000 determine the impedance in polar form Z C (j ω )= 0.5 -90 o 3. Determine the impedance if the inductor and the capacitor are in parallel connection Z(j ω )=- j0.5025 4. For a capacitor the current leads the voltage by 90 o 5. (6 marks) Find the current i(t)
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Unformatted text preview: Ω , L=2 H and C=1/6 F. Solution: Known quantities: The values of the impedance and the voltage applied to the circuit. Find: The current in the circuit. Analysis: Assume clockwise currents: s rad 3 = , V 12 o S V ∠ = Ω 2 1 j C j Z C − = = , Ω 6 j L j Z L = = ⇒ Ω 4 4 2 6 4 j j j Z total + = − + = A 45 12 2 A 5 1 5 1 4 4 12 I o . . j . j − ∠ = − = + = , ( ) ( ) A 45 12 2 o t cos . t i − = + C v(t R L i ( t )...
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