QI. In figure Q1, An ideal step down transformer has a turn ratio of 30: 5. If the primary current I₂ = 2A-50° and the l

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Qi In Figure Q1 An Ideal Step Down Transformer Has A Turn Ratio Of 30 5 If The Primary Current I 2a 50 And The L 1 (18.87 KiB) Viewed 17 times

Qi In Figure Q1 An Ideal Step Down Transformer Has A Turn Ratio Of 30 5 If The Primary Current I 2a 50 And The L 2 (17.71 KiB) Viewed 17 times

Qi In Figure Q1 An Ideal Step Down Transformer Has A Turn Ratio Of 30 5 If The Primary Current I 2a 50 And The L 3 (19.99 KiB) Viewed 17 times

QI. In figure Q1, An ideal step down transformer has a turn ratio of 30: 5. If the primary current I₂ = 2A-50° and the load of Z-1.93+j2.30. Find: (a) the load current, IL: (b) the load voltage, V₁: (c) the primary voltage, Ep; (d) the power to the load Answers: M+ IL Es ZVL
Q2. Refer to the series resonant circuit of figure Q2. Suppose the circuit has a quality factor of Qs = 70. Determine: (a) The resonant frequency expressed as f(Hz) and < (rad/s). (b) Total impedance at resonance. (c) Current at resonance. (d) V₁ and Vc. (e) Reactive powers, Qc and Q. Answers: 20 V 1022 ww R I LSH Figure Q2
Q3. For the circuit of figure Q3. Determine:- (a) Find the total impedance Zr in polar form; (b) Draw the impedance diagram. (c) Find the current I and the voltages V. V₁, and Vc in polar form; (d) Draw the phasor diagram of the voltages V₁, VL. and Vc and I, with E as a reference; (e) Find the total power delivered to the circuit; (f) Find the power factor of the circuit. Answers: E 50 V20 50 Hz R-120 L-0.15H C-100μF * + VR- + VC- Figure Q3