1. Calculate the impedance, current, voltage, and power values for the circuit in the following figure (Fig. 13.38b). 150 kHz 100 pF R 1 7.5 ΚΩ

13. A coil has a resistance of 6 ohms and an inductance of 0.02 H. When a non-inductive resistor is connected in series with the coil, the current drawn when connected to a 220 V DC source is equal to the current drawn by the coil alone across a 220 V, 60 Hz source. Determine the resistance of the non- inductive resistor. A) 3.63 0 B. 6.39 N C. 3.69 N D. 3.96 N

EX1) A boost converter has an input voltage of 5 V. The average output voltage is 15 V and the average load current is 0.5 A. If fs = 25kHz, L= 150 µH and C = 220 µF, determine (a)duty cycle (c) inductor peak current (d) output ripple voltage %3D (b) inductor ripple current

a voltage waveform is shown below, where Vmax and Vmin are the maximum and minimum voltage values. Vmax = 8 V, and Vmin = -5; Calculate the amplitude of the voltage.  enter your answer in V, and round it to two decimal places.

Subject : Power electronics Please write handwritten Answer

For the given circuit with a 12.81 Vpeak sinusoidal input, Vin, what is the value of Vout (in V) when input is a positive half cycle?Use practical model, Silicon diode. Vin Vout Round your answer to 2 decimal places. R

Q1 Explain the following terms: (a) Sensor (1.5 marks) (b) Transducer (1.5 marks) (c) Instrument Q2 Q3 (2 marks) Based on Figure Q2, if the RTD sensor measurement is 57°C answer the following. (a) Calculate the output current from RTD sensor if the output range is 4 20mA. (2 marks) (b) Calculate the output voltage from the temperature controller if the output range is 0-10VDC. (2 marks) (c) Propose a type of sensor if the process temperature is increased to 1000°C. (1 marks) A capacitive displacement transducer is designed to determine the rotary position. from 0° 180° as shown in Figure Q3. The moving plate whose radius is 40mm is sandwiched between two fixed plates, spacing at Imm. The dielectric constant of air is k 1.The capacitive transducer is formulated as: where; (a) kA€。 farads k = dielectric constant A the area of the plate, in square meters €₁ = 8.854 × 10-12 in farads per meter d = the plate spacing in meters Construct an equation of the change of the capacitance (F) when…

120 VRMS 1 Select one: OA. 360 VRMS OB. 40 VRMS OC. 80 VRMS OD. 240 VRMS لشما What is the secondary voltage if the turns ratio is 1:3?

A 43mH coil in series with a 1200 ohm resistor across a sine wave ac voltage source with a frequency of 6 kHz. The total impedance for the circuit is O 1620 46.5° ohm esc 2017 53.5° ohm 1200 53.5° ohm 2820 46.5° ohm ! 1 Q ← 2 W #3 C E $ 54 R G Search or type URL % 5 MacBook Pro T A 6 Y & 7 ☆ U * 8 + 1 ( 9 ( 0 ) 0 4) P + O = [ delete

AC xuf lac V ac 21. The simple AC powered circuit above is being measured for AC current and voltage across a 1uF capacitor. The measured current is 200mA and the measured voltage is 40V. (note: 2 separate questions follow) a. Calculate the capacitive reactance, Xc. b. Calculate the voltage frequency.