The circuit in the drawing contains five identical resistors. The 45-V battery delivers 79 W of power to the circuit. What is the resistance Rof each resistor? 45 V ww
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A: Given, Resistances,R1=75Ω,R2=79 Ω Voltmeter resistance,R3=(75+79)(100)=15400 Ω EMF of cell,E=10 V
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- Two resistors of equal resistance R are connected in parallel across a cell with emf V. What is the value of the current flowing through one of the resistors? Select one: a. V/2R b. 2V/R c. V/R d. R/VThree resistor are connected in series where R1= 63.2 Ohms, R2= 105 Ohms, and R3 = 42.8 Ohms. What is the current in the circuit is the source potential is 39.9 V?Question 1 What is the equivalent resistance of the circuit shown in the figure? The battery is ideal and all resistances are accurate to 3 significant figures. R₁ V R5 O 950 Ohms O767 Ohms R6 100 257 Ohms O 450 Ohms = 300 Ω www 100 Ω ww = R₂ R3 200 Ω www www www 100 Ω 4 pt www R4 = 150 Ω s 4
- A 12V battery having an internal resistance 60 is connected to a load resistor. The current through the circuit is 0.1A. The terminal voltage across the load is O a. 11.4V O b. 0.2V c. 12V d. 12.6V hpGiven the equation, V = Voe RC. , what size of resistor would be required to dirop the voltage on a 120mFapacitor to its original valtage in 5 min? Select one Oa R= 1.5 k2 Ob. R= 1.8 kS2 O. R= 1.7 k S O d. R= 1.6 k S2In the circuit pictured, the resistors have values of R1 = 125 Ω, R2 = 120 Ω, and R3 = 148 Ω, and the battery has an emf ε = 271 V. A) Write an expression for the current through the battery. B)In amperes, how much current ibatt goes through the battery? C)Write an expression for the current through resistor 2. D) In amperes, whatis the current i2 through resistor R2?
- A5 ohm and 8.0 ohm resistor are wired in parallel. What is the total resistance? A circuit has a resistance of 6.5 ohms and draws a current of 6.2 A what is the potential difference in the circuit? Atoaster has a resistance of 13.6 ohms and is plugged into a 120 V power supply, what is the current in the toaster?18 µF 30 μF 3 μF 13.2 μF O 2 μF 4 µF HH 3.0 μF 30 VSee the above circuit diagram to answer the question. The battery voltage is V = 90.7 V; R1 = 184 Ohms; R2 = 72 Ohms; R3 = 166 Ohms; R4 = 50 Ohms; R5 = 104 Ohms; and R6 = 98 Ohms. How much power flows through resistor R6? 3.231 W 0.831 W 2.308 W 1.385 W
- The circuit shown below has a 15 V battery connected to two resistors in series with R1 - 100 Ω and R, -10 Ω. R1 Ry What is the total equivalent resistance Rtot of the circuit? Rtot = Ω Submit Answer Tries 0/2 What are the magnitudes of the currents I1 and I2 in resistors R1 and R2, respectively? I1 = I2 = %3D Submit Answer Tries 0/2 What are the magnitudes of the potentials V, and V, across resistors R1 and R2, respectively? V1 = V2 = AA > >The circuit shows R= 8ohms, Emf1= 13.1 V and Emf2= 12.1 V. What is the power delivered to the 10R resistor in W?I have a 3Ω and a 2Ω resistor. If I connect them across a battery in series, what is the total equivalent resistance of the circuit?