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- b) Use the ALU 74181 in the figure below and the tables (one is enough; second maybe, need to check the new kit) to implement : A + B, A – B, A. B. (MSB) (LSB) 10 (MSB) F3 F2 F1 FO S3 Cn+4 16 s2 20 U14 15 S1 14 so A3 A2 A1 AO B3 B2 B1 B0 M Cn 24 23 22 21 28 27 T26 25 (LSB) (MSB) (LSB)(MSB) (LSB) And given that under M = 1 the circuit performs the following arithmetic and logic functions according to Table 11.1. Input selection S3 Output M-H S2 SI Cn=L. F3 F2 F1 FO A 1 -A В -B A&B AxB 1 A'B 1 Ax(-B) (-A)xB (-A)x(-B) 1 1 ACTIVE HIGH DATA M-L: ARITHMETIC OPERATIONS SELECTION M-H LOGIC s3 s2 s1 so Ino carry) (with carry) F-A PLUS 1 F- LA + B) PLUS 1 F- (A + BI PLUS 1 FUNCTIONS L L F-A F-A+B F-AB F-A H FA+B F-A+T F- MINUS 1 12s COMPL) F-A PLUS AB F- IA + BI PLUS AB L L L L F-0 F-ZERO F- AB F-A PLUS AB PLUS 1 F- (A + BI PLUS AB PLUS 1 L L L H L F-AOB F- AB L L F-A MINUS B MINUS 1 F-A MINUS B F- AB MINUS 1 F- A F-A PLUS AB PLUS1 F-A PLUS B PLUS 1 F- IA + B PLUS AB PLUS 1 L H L F-A PLUS AB…You are working as an electrician in a large steel manufacturing plant, and you are in the process of doing preventive maintenance on a large DC generator. You have megged both the series and shunt field windings and found that each has over 10 M to ground. Your ohmmeter, however, indicates a resistance of 1.5 across terminals S1andS2. The ohmmeter indicates a resistance of 225 between terminals F1andF2. Are these readings normal for this type machine, or is there a likely problem? Explain your answer.Consider a PV Module with 24 solar PV cells with the Size of each 15cm x 10cm are connected in series. Choose the correct statement for the above. (Assume necessary data) a. The output voltage is 12 V, the output power is 540W b. The output voltage is 12 V, the output power is 54W c. The output voltage is 12 V, the output power is 5.4W d. The output voltage is 24 V, the output power is 2.25W
- A Wheatstone bridge is used for measuriug the valuc of change of resistance of a strain gauge wnich forms one of the arms of the bridge. All tbe arms of the bridge including the strain gauge have a resistance of 100 N each. The maximum a!lowable power dissipation from the strain gauge is 250 mW. Determine the value of maximu:n permissible current through the strain gauge and maximum allowable value of bridge supply voltage. Suppose a source of 20 V is available, lind the value of series resistance to be connected between the source and the bridge to limit the input voltage of the bridge to permissible level.a) Draw and explain the equivalent circuit and V-I characteristics of the UJT in detail. b) A UJT circuit is shown in figure 2. The parameters of the UJT are n = 0.65 and RBB = 7 km. i. Find RBI and RB2. ii. Determine the value of VB1B2 and Vp. R₂ R₂ 400 £2 B₂ 20 100 £2 Figure 2QUESTION 2 a) b) Figure Q2a shows a parallel clipper circuit. Analyze the circuit and hence sketch the output waveform for one complete cycle of the input. R own V₁ 10 Vi (V) A -20 15- -15 t(s) t(s) Figure Q2a Determine the output voltage, V, and hence sketch the output voltage waveform for the clamper circuit shown in Figure Q2b. C Figure Q2b Si Si 5 V 3V V₂ R Vo
- Consider a PV Module with 4 solar PV cells with the Size of each 10cm x 10cm are connected in Parallel. Choose the correct statement for the above PV Module. (Assume necessary data) a. The output voltage is 0.5 V, the output power is 12W b. The output voltage is 2 V, the output power is 12W c. The output voltage is 12 V, the output power is 6W d. The output voltage is 0.5 V, the output power is 6W5 G V2 =10° pu 8) 3. jo.05 o P3=1,2pu j0,2n P=2pu P4= 4,6pu %3D In TS P23 correcty for ( Iinearfzed) which case grven active occurtrg betumeen the busbars frgure =? load floms at the ETL grven in b) 2 the a) - 1.45 c) 1.45 d) 0,25 e) L.35 A) -2 TS P12 given correctly for (mearized) at the b) In uhich case o curing figure ? c) 1,35 active load flows betwu cen the busbars ETL grven n the a) 0,25 b) -1,45 d) 1,45 e)-2In the figure the current in resistance 6 is i = 1.43 A and the resistances are R₁ = R₂ = R3 = 1.68 2, R₂ = 15.1 Q2, R5 = 7.41 Q2, and R6 = 4.57 2. What is the emf of the ideal battery? E www R₁ O a. 25.7V O b. 52.3 V O C. 47.2 V O d. 21.4 V O e. 6.54 V R3 www R₂ www R₁ R₂ 16 R6
- Find the current l4 for the figure shown below. 100A 40A 12 I1 80A 13 15 10A 14? a. 100A O b. 400A c. 200A O d. 150Ampt3D1966098&cmid%3D11648 My Courses This course c. 11= 10 A, 12 = 5 A, V=50 V O d. 11 5 A, 12 = 2.5 A, V=25 V Question 5 For this circuit Is and V2 = Not yet R1 R2 R3 answered Marked out of 6.00 P Flag question V2 Is Vs R4 12 V Select one: O a. Is = 1 A, V2= 4 V O b. Is = 2 A, V2= 2V Oc. Is = 2 A, V2= 4 V O d. Is = 1 A, V2= 2 V Question 6 Use current division to find the currenti 120 flowing through the 120 resist Not yet answered Marked out of 28 7.00 +(3) 4. a. For the cicuit to the the right show that:. H(@) = (-C,R₂) jo (1+ joRC) (1+ jwR₂C₂) R₁ G₁ Ⓒut) R₂ C₂ % (4)