Determine the value of Rx in the balanced bridge in Figure 6-80.

SECTION 5-6 Kirchhoff's Voltage Law 32. The following voltage drops are measured across three resistors in series: 5.5 V, 8.2 V, and 12.3 V. What is the value of the source voltage to which these resistors are connected? 33. Five resistors are in series with a 20 V source. The voltage drops across four of the resistors are 1.5 V, 5.5 V, 3 V, and 6 V. How much voltage is dropped across the fifth resistor? 34. Determine the unspecified voltage drop(s) in each circuit of Figure 5-78. Show how to connect a voltmeter to measure cach unknown voltage drop. ► FIGURE 5-78 2 V V2 3.2 V 8 V R 15 VE 2R 0.5 V 1.5 V 4 R 3R (b)

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Reduce the circuit in Figure 6-82 to its Thevenin equivalent as viewed from terminals A and B. 15 V FIGURE 6-82 R₁ 100 ΚΩ R₂ 22 ΚΩ OB

Determine the unknown voltage drop, 5, in Figure 5-35. 12 V FIGURE 5-35 50 6V 15

Find the resistance values using the color code and determine the missing values in Figure 7-26. FIGURE 7-26 Determine resistance values using the color and find all missing electrical values.

A series circuit contains the following values of resistors: R1=510R2=680R3=390R4=750 Assume a source voltage of 48 V. Use the general voltage divider formula to calculate the voltage drop across each of the resistors. E1=VE2=VE3=VE4=V

Refer to the circuit shown in Figure 6-22. The circuit has an applied voltage of 24 V and the resistors have values as follows: R1=1kR2=300R3=750R4=1k An ammeter and a voltmeter indicate the following values: IT=42.5mAI1=24mAE1=24VI2=18.5mAE2=5.5VI3=0AE3=18.5VI4=18.5mAE4=18.5V What is the most likely problem with this circuit? FIGURE 8-22 Determine resistor values using the color code and find all missing electrical values.

A parallel Circuit contains the following resistor values: R1=270KR2=360KR3=430KR4=100KlT=0.006A Find thefollowingmissingvalues: RT=I1=Al2=Al3=Al4=A