Four resistors are connected as shown in the figure. 17 N 65 N ww a 83 2 91 V d S1 Find the resistance between points a and b. Answer in units of N
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- shfdjkfdrhnacoioeniodinopidopdnieocmixoxwmipdf.ziudSALIDUDetu The equivalent resistance of three resistors A, B and C connected in parallel is 1.5 ohms. If A is thrice of B and C is 1/4 of B. Find the equivalent resistance when the three of them are connected in series? dhffrriru9eeIn the figure shown below, the current through loop 1 be 11 and through the loop 2 be 12, then the current flowing through the resistor R2 will be? RI R2 R3 O a. 1+12 O b. 1 O c. 1-12 12What is the voltage across the 50 Ohm and 5 Ohm resistors? Using the loop hole equation, what is the voltage across the R1? What is R1?
- In the figure below, what is the potential difference Va-V, between points d and c if %₁-5.0 V. 82- 1.8 V. R₁ R₂ = 140, and R3-5.2 Q, and the batteries are ideal? Number i -11341 Units V #1*Use Delta - Star transformation to determine current through the current through and voltage drop across the 1402 resistor. Show ALL working. TECNO POP4 40 Hond www. a 832 B D www. Figure 1 X4 12 02 2 108 V 142 WW CThe voltage across the resistor in series RL when suddenly supplied by a DC source is? a. zero O b. minimum O c. infinity O d. maximum
- Estimate voltage E2 when E1=90sin2400t V, R1=R2=20 ohms, L1= L2=3mH and M=0.15mHQuestion 2 Figure Q2 shows the exact equivalent circuit of a 50 Hz, 30 kVA, 2200 V/250 V single- phase transformer. Given that Rp = 0.9 №, Xp = 2 N, Rc = 10 MN, Xm 13 ΜΩ, Rς = 0.0094 , Xs 0.038 N and iron losses at the rated voltage is 10 kW. A load with 0.8 lagging is connected to the secondary circuit of the transformer. ܫܫܫܫ (b) - (a) Draw the approximate equivalent circuit referred to primary and calculate the equivalent winding resistance and reactance referred to primary. Based on the circuit parameters calculated in part (a), determine the full load efficiency.Measure the voltages across R1, R2, and R3. Then add the voltages across each element with respect to their polarities around each loop and show your calculations.
- what does the slopes represent in V&I relationship* R. O P E LLIn the figure the current in resistance 6 is i6 = 1.33 A and the resistances are R₁ = R₂ = R3 = 1.56 02, R4 = 14.7 Q, R5 = 7.74 Q2, and R6 = 3.81 Q. What is the emf of the ideal battery? 80 R₁ Number i www R₂ www R₂ Units www R₁ www R₂ i6 www R6Use mesh analysis to determine i, and iz in the circuit of Figure Q1(b)(ii). Use A = your last two number of your matric number. Use 10 if your number for A is 00. For example if your number is CD150072 : A is 72.