PLA Lab 4

Q6

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1. Three series resistors are connected across a voltage source Vs. The voltage drops across each resistor are measured and found to be 4.5 V, 6.4 V, and 13.1 V. What is  the value of the voltage source Vs?   2. Four resistors are in series with a 100-V source. The voltage drops across three of the resistors are 10 V, 20 V, and 40 V. If the resistance of the fourth resistor is 300 Ω,  what is the current through the circuit?  3. The voltage source in circuit is supplying 100 mA of current. Determine IBA, ,VAD and VBC, if ICD = 50 mA.

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R1 of 90 kilo ohm and R2 of 10 kilo ohm are in series across a 43-volt source. A) Draw the schematic diagram. B) What is the voltage drop at R2?

Two resistors RA and RB are connected in series across a 120-V source. When a 30,000-ohm voltmeter is connected across RA and then across RB, the instrument deflection is 48 volts in each case. What are the ohmic values of the resistors?

A voltage divider consists of a 3000 – ohm, a 5000 – ohm, and 10000 – ohm resistor in series and the series current is 15 mA. Find (a) the voltage drop across each resistance and (b) the total voltage.

Draw the flow of current for the given circuit and discuss thouroughly how the five voltage drop are develop across each resistors. R4 R2 R3 SR1 R5 E

A circuit component carries a current of 2.4 amperes and has a voltage drop of 10 volts across it. What is the resistance R of the component? Round your answer to two significant figures. R = Number S2

solve the actual value of each resistor using kirchhoff's law.  R1 = 10kohmsR2 = 3kohmsR3 = 5kohmsR4 = 15kohmsR5 = 18kohmsA1 = -1.2mAA2 = 1.2mAA3 = -1mAA4 = -150.8uAA5 = 150.8uAV1 = 12VV2 = -3.5VV3 = 5VV4 = 2.2VV5 = -2.7V the VS1 is 20V

.A source of 100oV is applied across a 20 ohm R1 and 30 ohm R2 in series, and V1 is 40V. The current in R2 is

Two lamps incandescent and fluorescent are connected in series. Incandescent is rated 50 W at 100 V while fluorescent is rated at 100 W at 100 V also. The two lamps are to be connected in series across a 200 V source. What resistance must be connected across incandescent so that each lamp will operate properly?

I've got a circuit with two batteries, and Kirchoff's laws give me the equations i₁ + 12 = 13 V₁₁R₁ - 13R3 = 0 V2-12R2 - 13R3 = 0 The circuit has R₁ = 109, R₂ = 209, and R3 = 409. The first battery has a fixed voltage V₁ = 35V, but the second battery can be adjusted to anything between 20V and 60V. Write a .m function file called myCircuit.m that takes V₂ as an input and produces an array containing i₁, i2, and i3 as an output. That is, the output should be a single (vector-valued) variable. The function must use the backslash operator to solve the linear system.

Write down the steps on how to Parallel Resistors Current Division

2. From the figure, when the voltage V2 is 10 and 10 volts, the total voltage VD4 and VD6 is 0.7 volts. The voltage VD5 is 0.3 volts. The resistances R4, R5 and R6 are 9 5.1 and 15.1 ohms accordingly. Sequence Show how to calculate and answer the questions in the box. empty as follows D4 A D5 D6 R4 V2 R5 R6 When V2 equals 10 Volts 2.2 When V2 is equal to -10 Volts i Current flow through D4 : Answer.... : Current value Flow through D4 : Answer... .: Current flow through D5 : Answer.. Krahok fee stream flowing through D5 : Answer.. Current flow through D6 : Answer.. Current value Flow through D6 : Answer.... Current flow through R4 : Answer.. Current value Flow through R4 : Answer.... Current flow through R5 : Answer.. . Current value Flow through R5: Answer Current flow through R6 : Answer.. Current value Flow through R6 : Answer.... Current source V2 : Answer.. Current value Power supply V2 : Answer..

A 15 ohm and 35-ohm resistors are in series and connected across a 10-volt battery. Find the voltage across the 35-ohm resistor.

7. The equivalent total resistance in the circuit in Figure 1 is_ 2200 E=7V- 1000. 4700. 100. 3300 Figure 1 1. 558.90 2. 2160 3. 642.450 4. 82.892 8. The current through the 1002 resistor in the circuit in Figure 1 is_ 1. 84.45mA 2. 70mA 3. 14.89mA 4. 17.51mA 9. The power dissipated by the 3302 resistor in the circuit in Figure 1 is

For the series circuit given the resistors are given as follows; R₁=3KN, R₂= 400, R3-6002 and the voltage is 12 Volts. What is the voltage across resistor R₂? What is the voltage across resistor R₂? 1.2 Volts 2.4 Volts 3.6 Volts 1.9 Volts R1 W VSupply R3 ww R₂

Using Kirchoff's laws, find the currents and the voltages for the figure.

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Match the voltage measurements from the resistor series in part 1 with the approximate values below. You may use the same answer more than once

Use the circuit below for questions 1-5. Exact answers will vary based on rounding during calculations. 12 V- R₁₁ R3 1. What is the voltage drop across R₁? A. 2 V B. 3V C. 4 V D. 6 V 2. What is the total resistance of the circuit? A. 7.2 k2 B. 8.6 k C. 9.4 k D. 11.5 k 3. What is the current through R₂? A. 0.0017 A B. 0.0084 A C. 0.1666 A D. 0.5884 A 4. How much power is consumed at R₂? A. 0.003 W B. 0.007 W C. 0.018 W D. 0.155 W 5. How much power is consumed by the entire circuit? A. 0.003 W B. 0.007 W C. 0.018 W D. 0.155 W R₂

9 The total resistance of two resistors in series is the sum of their resistances. Determine the worst possible error in the total resistance if the resistors are 50 2 with 10% accuracy and 100 2 with 5% accuracy. Arsw 102