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- The diagram below shows a circuit where R1=4 Ω, R2=6 Ω, R3=5 Ω, V1=6 Volts, V2=10 Volts, and V3=7 Volts. What is the value of I1? In solving this problem, initially pick the current directions as shown. If the actual current turns out to be in the opposite direction, then your answer will be negative. If you get a negative number, enter it as negative. I can get the equations of: I1R1+V1-I2R2+V2= 0 -V2+I2R2-V1-I3R3+V3=0 I1+I2+I3 = 0 But I dont understand how to take these equations and solve for I1. Can you please do it step by step?Consider the circuit shown in the figure(Figure 1). Suppose the four resistors in this circuit have the values R1= 13 Ω, R2= 6.4 Ω, R3= 6.3 Ω, and R4= 14 Ω, and that the emf of the battery is E= 18 V. Part A: Find the current through each resistor using the rules for series and parallel resistors. Part B: Find the current through each resistor using Kirchhoff's rules.Consider the circuit shown in the figure(Figure 1). Suppose the four resistors in this circuit have the values R1= 13 Ω , R2 = 7.2 Ω , R3 = 6.3 Ω , and R4 = 10 Ω , and that the emf of the battery is E = 15 V .
- In the left figure, create two formulations/equations of the currents IT, I1, I2, & I3 using the conceptof KCL. On the other hand, create two formulations/equations of the given voltages using theconcept of KVL on the right figure.In the circuit shown in figure 1, epsilon is equal to 41.0 V, R1= 4 ohms, R2= 6 ohms, and R3= 3 ohms. (A) what is the potential difference Vab between points a and b when the switch S is open? (B) for the 4 ohm resistor, calculate the current through the resistor with S open. (C) for the 6 ohm resistor, calculate the current through the resistor with S open. (D) for the 3 ohm resistor calculate the current through the resistor with S open. (E) what is the potential difference Vab between points a and b when the switch S is closed? (F) for the 4 ohm resistor calculate the current through the resistor with S closed. (G) for the 6 ohm resistor calculate the current through the resistor with S closed (H) for the 3 ohm resistor calculate the current through the resistor with S closed. (I) for each resistor, does the current increase or decrease when S is closed?A resistor is dissipating 114 milliwatts [mW] of power. The voltage across the resistor is 13 volts [V]. (a) What is the value of the resistance? Express your answer in units of ohms [Ω] using an appropriate SI prefix such that there are only one, two, or three digits shown to the left of the decimal. (b) What is the current through the resistor? Express your answer in units of amperes [A] using an appropriate SI prefix such that there are only one, two, or three digits shown to the left of the decimal.
- A resistor is dissipating 119milliwatts [mW] of power. The voltage across the resistor is 26 volts [V]. (a) What is the value of the resistance? Express your answer in units of ohms[Ω]using an appropriate SI prefix such that there are only one, two, or three digits shown to the left of the decimal. (b) What is the current through the resistor? Express your answer in units of amperes [A] using an appropriate SI prefix such that there are only one, two, or three digits shown to the left of the decimal.Answer the following 1. A voltage of 120V generates an IR drop across two resistors connected in series. If the voltage drop across R1 is 30V, what is the voltage drop across R2, in Volts? a) 80 b) 40 c) 100 d) 90 2. Three resistors R1, R2 and R3 of 20, 40 and 60 ohms are connected in parallel through the 120 V power line. What is the total current in the power line? a) 10A b) 12A c) 11A d) 15A 3. Resistors in a circuit are generally used to: a) increase the flow of the current b) decrease the flow of current c) avoid overvoltage d) decrease the power in the circuitA circuit with a resistance R=64 omega is connected to a battery with potential difference across the terminals of deltaV=9.5 V. Part (a) input an expression for the current passing through the circuit, I. Part (b) What is the current in milliamps, mA? Part (c) If the resistance of the circuit was increased by a factor of ten, Rnew =10R, what is the new current in milliamps, mA?
- For the circuit shown: R1 = 2Ω; R2 = 3Ω: R3 = 5Ω, if the current flowing through R2 is 200mA, the power (in watts) for resistor R1 is:Part A through C, please. In the circuit shown in the figure (Figure 1), the 16.0- V battery is removed and reinserted with the opposite polarity so that its negative terminal is now next to point a. Figure 1 of 1 Part A Find the magnitude of the current in the circuit. Part B Find the terminal voltage Vba of the 16.0- V battery. Part C Find the potential difference Vac of point a with respect to point c.Current Iin flows into three resistors connected together one after the other as shown. The accompanying graph shows the value of the potential as a function of position.a. Is Iout greater than, less than, or equal to Iin ? Explain.b. Rank in order, from largest to smallest, the three resistances R1 , R2 , and R3. Explain.
