3.5.10 7 13.5.10 1797 LE 31/7 0 2 0 1 70. 12 V (+ 2 ΚΩ ww 4 ΚΩ ww 2 ΚΩ 2 ΚΩ 4 ΜΑ 4 ΚΩ ΖΕΙ Ρ3.5.10

Circuits 1 HW 6 Q5

Discussion For the circuit below complete the table R 5 Ω 10 V 60 Hz 100 μF R Total 10+j0 10 0° Volts 68.623m + j364.06m Amps 370.5m Z 79.325° 5+ j0 52 0° 0 - j26.5258 5 - j26.5258 Ohms 26.5258 Z-90° 26.993 L-79.325°

5. Suppose the following circuit is left open for a long time. 5000 22 24 V (a) What is the facial curren What is the carte II What is the ches What is the not the pos 80mF when we close thei 90s after we close the switch? dissipe the resistor 90s arter ene capacitor ons after we close the suit Close the switchi difference across the spacitor 008 after we close the switch across the resisto we close the swit 12 the potential (g) What is the energy stored in the capacitor 90s after we close the switch? (h) What is the energy dissipated by the resistor during the first 90s since the switch is closed?

O b. None of them C. Req=36.67 Q,P=-3.92W. O d. Req=61.5 Q,P=-2.34W. e. Req=36 0,P=-4W. estion 4 For this circuit, the values of 11, 12 and V are: yet swered 11 12 arked out of R1 R2 R3 R4 Is 15 A V 50 10 Q 10 Q Flag uestion Select one: O a. 11= 10J12 = 5 A, V=50 V O b. 11 = 5 A, 12 = 2.5 A, V=25 V O c. 11 = 5 A, 12 = 2.5, V=50 V O d. 11 = 2.5 A, 12 = 5 A, V=25 V Question 5 Find Rab- Not yet arswered 20 Q AAAA Marked our of TOSHIBA

Discussion For the circuit below complete the table R 5Ω 10 V 60 Hz 100 µF R C Total 10 + j0 V Volts 10 Z0° 68.623m + j364.06m Amps 370.5m Z 79.325° 5+ j0 52 0° 5 - j26.5258 26.993 Z-79.325° 0 - j26.5258 Ohms 26.5258 Z-90°

Find the charge across the capacitor C3 CT C1 C2 C; E- 25μF 90μF 60μ 200V Ο 12 μC O 12mC O 1200mC O NONE

The discharging time constant for the circuit below is _nanoseconds. 5 V MPU 2 kQ RESET 100 kQ 1 pF SW 1

Discussion For the circuit below complete the table R 5 Ω 10 V 60 Hz 100 μF R Total 10+j0 10 0° Volts 68.623m+ j364.06m Amps 370.5m Z 79.325° 5+ j0 0- j26.5258 5 - j26.5258 Ohms 52 0° 26.5258 Z-90° 26.993 Z-79.325° N

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…