Three resistors A, B and C are connected in series to a 120-V supply. If the resistor A = 50 Ω and the voltage across B, VB = 40 V when the current is ½ A, what is the resistance of resistor C in ohms?

Three resistors A, B and C are connected in series to a 120-V supply. If the resistor A = 50 Ω and the voltage across B, VB = 40 V when the current is ½ A, what is the resistance of resistor C in ohms?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 10CQ: Power P0 = I0 V0 is delivered to a resistor of resistance R0. If the resistance is doubled (Rnew =...

See similar textbooks

Related questions

Q: Two resistors are connected in parallel with an 96 volt battery. The resistors have values of R1 =…

Q: Three resistors of resistances R1 = 14.8 Ω, R2 = 70.3 Ω, and R3 = 39.7 Ω are connected in parallel.…

Q: Consider a simple circuit consisting of a battery, a closed switch, and a resistor. The voltage…

A: Write the expression for resistance

Q: Four resistors with values R1 = 1, R2 = 2, R3 = 3, R4 = 4, are wired in parallel to a voltage source…

A: KIRCHHOFFS CURRENT LAW: It states that the algebraic sum of currents entering into the node is…

Q: Resistors R1 = 4Ω, R2= 6Ω and R3 = 12 Ω are connected series and the combination is connected to a…

Q: Each resistor in the circuit shown in the drawing has the same resistance R, and the batteries have…

A: Given Resistance of each resistor is R=9.0 Ω Voltage is V= 9.0 V Find the total resistance and the…

Q: Differential Equations: Electric Circuits When a resistance R (ohms) and a capacitance C (farads)…

Q: The potential difference across a resistor in a particular electric circuit is 420 V. The current…

Q: A 382-Ω resistor, an uncharged 2.03-μF capacitor, and a 13.6-V emf are connected in series. What is…

A: In this problem, we are given a resistor, a capacitor, and an emf (electromotive force) connected in…

Q: A circuit contains four resistors. Resistor R1 has a resistance of 47.0 ohm , resistor R2 has a…

A: In general if resistor are connected end to end with one another then the combination is referred as…

Q: Three resistors with resistances R1 = 0.66 ohm, R2 = 4.56 ohm, and R3 = 8.73 ohm are is parallel…

A: Here is your answer step by step --->

Q: You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal…

Q: = 3000 ohms and R2 = 4000 ohms are joined in series and connected to a 120-volt supply. The voltage…

A: We know that ohms law is given that V = IR where V is the voltage. I is the current. R is the…

Q: A 16.27 Ω resistor is connected to a battery that has an internal resistance of 0.76 Ω. If the…

A: The expression for current through the resistor, I=∆VRI=11.08V16.27ΩI=0.68A

Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 16.0 ohm. When they are…

Q: In the circuit shown, a battery produces an emf &= 17 V. The battery includes an internal resistance…

Q: An RC circuit takes t = 1.58 s to charge to 45% when a voltage of ΔV = 5.5 V is applied. If the…

Q: Three resistors in parallel have an equivalent resistance of 15 Ω . Two of the resistors have…

A: Three resistors are connected in parallel connection having equivalent resistance Req = 15 Ω and the…

Q: An 86-Ω resistor and a 50-Ω resistor are connected in series across a battery. The voltage across…

A: same current I flows through both the resistor as they are in series.

Q: The current in a 65-Ω resistor is 0.15 A. This resistor is in series with a 24-Ω resistor, and the…

Q: You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal…

Question

Three resistors A, B and C are connected in series to a 120-V supply. If the resistor A = 50 Ω and
the voltage across B, VB = 40 V when the current is ½ A, what is the resistance of resistor C in
ohms?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

A circuit with a battery, a 8 Ω resistor, a 16 Ω resistor, and a 27 Ω resistor in series. The total current is the system is 3.5 A. What is the voltage drop across the 8 Ω resistor?
Three resistors with resistances R1 = 0.47 ohm, R2 = 4.41 ohm, and R3 = 7.59 ohm are is series circuit with a 12.1 volt battery. What is the total resistance (ohm) of the circuit?
The RC circuit shown in the figure has resistance of R=7kQ and the capacitance of C=10µF. The capacitor is initially charged and at a voltage Vo=20V at t=0, when the switch is closed. How long does it take the capacitor to discharge to 33% of its initial charge? Express your answer in units of ms (milliseconds)using one decimal place. Vo ER S
The RC circuit shown in the figure has resistance of R=4kQ and the capacitance of C=9µF. The capacitor is initially charged and at a voltage Vo=21V at t=0, when the switch is closed. How long does it take for the current running in the circuit to go down to 35% of its initial value? Express your answer in units of ms (milliseconds)using one decimal place. = Vo R S
A circuit with number of resistors connected in series and parallel connection with a supply DC voltage is shown in the figure. The supply voltage of Vsupply =120 V, Resistances, R1=102, R2 - 200, R3=300 and R4= 400, R6=190 (R5 is not connected). What is the value of the voltage drop at R1 in Volts?
You have a battery of 960 V and four resistors each with a resistance e of 40 Ohms. If you make a SERIES CIRCUIT with these components, what is the resistance of the circuit?
A 391-Ω resistor, an uncharged 4.15-μF capacitor, and a 12.3-V emf are connected in series. How long, in ms, after the circuit is connected does the current in the resistor fall by 36.8% of its initial value?
A combination of two parallel resistors of 12.0 ohms and 6.00 ohms is connected in series with a 6.25 ohm resistor and a battery. The battery has an internal resistance of .250 ohms. If the current in the 6.00 ohm resistor is 8.800 A, what is the EMF for the circuit?
Two identical resistors of 245 Ohms are configured in parallel and connected to a 10.6 V power supply. If the same two resistors are then connected in series, what should the voltage of the power supply be changed to such that the parallel and series configurations draw the same amount of power?
A circuit contains a resistor in series with a capacitor, the series combination being connected across the terminals of a battery. The time constant for charging the capacitor is 1.5 s when the resistor has a resistance of 2.40 x 104 Ohms. What would the time constant be if the resistance has a value of 5.20 x 104 Ohms? Write your answer in two decimal places. No units are required in the final answer.
Two capacitors of capacitance 3C and 5C (where C = 0.11 F) are connected in series with a resistor of resistance R = 7.5 Ω. R = 7.5 ΩC = 0.11 F How long will it take the amount of charge in the circuit to drop by 75% in seconds?
The current in a series circuit is 15 A. When an additional 8 Ω resistor is inserted in series, the currentdrops to 12 A. What is the resistance of the original circuit?