11. The ammeters in the circuit in Figure 4-9 are indicating 4 amperes and 9 amperes as shown. Find the values of R, and Rp. 1. 4A Ay 2 Ap 60 2 Rg 2 Ay 30 2 FIGURE 4-9 Finding resistance.

Q: R1 R2 200 ohm 300 ohm R5 R3 + 100 ohm R4 VA 10V 700 ohm 800 ohm R6 200 ohm

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Q: Problem 4: For Figure #4, calculate ve(t) and it) kse (00m H エ)12V hqure 4 F

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A: We shall use the nodal analysis method to determine the asked parameters.

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Q: 2.Findcurrenton each resistance of below circuit: 330 Ohm 680 Ohm 12 V 470 Ohm -5 V

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Q: The coil resistance of a microameter in the range of 50 microamperes is 2000 ohm. It is to be used…

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Q: 4. Find the current through 6-ohm resistor. E 12 V V1 R1 10 + A 3A R2 ww 60 B 4V1

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Q: Continuing with the same setup as above, where you connect a 6Q resistor and a 12 Q resistor in…

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A: The given circuit is: Here,  R1=13 ΩR2=7.3 ΩR3=6.7 ΩR4=15 ΩE=15 V

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Q: 2.Findcurrenton each resistance of below circuit: 330 Ohm 680 Ohm 12 V 470 Ohm -5 V 【改汰汽洛漁监没祟漁

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Q: Calculate the current in each resistance VB1,-12V www r= 10 r= 0.1N ww VB2=6V

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Q: 15. For the following circuit determine each of the currents I1, I2, and the voltages V1, V 2, and…

A: I1 = 16 m x 1 K1K +3K⇒I1 = 16m4⇒I1 = 4 mAI2 = 16 m x 3K3K+1K⇒I2 = 16 m x 34⇒I2 = 12 mA

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Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.