Answered: If a circuit contains one 20 2 resistor…

If a circuit contains one 20 2 resistor and still generates 0.50 A of current, what is the voltage of the power supply that powers it? O 40 V 40 W 10 W O 10 V

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 59P: The power dissipated by a resistor with a resistance of R=100 is P = 2.0 W . What are the current...

See similar textbooks

Related questions

Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 17.4Q. When they are…

Q: Find the equivalent resistance of the circuit in the figure. 4.5 N 14.5 N ww 13 N 30.5 V 3 N ww 18 N…

Q: A piece of metal wire has a resistance of 50 ohms. When it is stretched to 3 times of its length,…

A: Resistance of wire is, R=ρlA Here, l is length of wire. So, resistance is directly proportional…

Q: Three resistors are connected as shown using connecting wire of negligible resistance what is…

Q: A small music player has a current of 1.67 A passing through a 180 ohm resistor. Calculate the…

Q: A resistor R1 = 300 ohm and R2 = 300 ohm are connected in series with a 12 V battery. What is the…

Q: Three resistors of resistanced R1 = 10, R1 = 20, and R3 = 4 Q in series are connected across a…

A: Given that R1 =1Ω R2 = 2Ω R3= 4Ω V= 14 volt In series connection R e q = R1 + R2 + R3 current I…

Q: Determine the current through the 50 load resistor in the circuit shown below. Battery 1 r1 1 Ohm V1…

A: Circuit Diagram:

Q: When two identical resistors are wired in series to a 10 V battery, the current is 2.5 A. Which of…

Q: A resistor of unknown resistance and a 30-2 resistor are connected across a 20- V emf in such a way…

Q: uivalent resistance is 2.88 Q. What are (a) the smaller resistance and (b) the larger resistance of…

Q: The values of the resistors in this circuit are: R1 = 5 ohms R2 = 7 ohms R3 = 9 ohms The power…

Q: Consider the combination of resistors shown in Figure below it is required to determine: 10.0 Ω M…

Q: When an automobile battery with an emf of 12.6 V is connected to a resistor of resistance 25.0…

Q: If a current of 6 A is divided by the following circuit, the current flowing through the 4 Ohm…

Q: An electric heater is constructed by applying a potential difference of 110 V across a wire with a…

Q: A resistor is to have a constant resistance of 30.0 ohms, independent of temperature. For this, an…

A: Given data: Constant resistance R=30Ω

Q: A circuit consists of two 68KQ resistors and a 24 V source connected in series. What is voltage on…

Q: Two 4.0-2 resistors are connected in parallel, and this combination is connected in series with 3.0…

Q: A 15-ohm resistor has a constant current. If 3300 C of charge flow through it in 5 minutes what is…

A: We need to calculate the value of electric current in the circuit.

Q: A battery provides a voltage of 10.0 V and has unknown internal resistance Rint. When the battery is…

A: Ohm's law states that the current flowing through a conductor is directly proportional to the…

Q: 4 Q,7 Q, and 2 Q resistors are hooked up in parallel. What is the total resistance in the circuit?…

A: Given three resistors 4 Ω, 7 Ω and 2 Ω are hooked in parallel connection. we have to calculate the…

Q: In the circuit below, how much voltage is used by A? 150 A B 50 0.6 V O 0.15 V O 0.3 V O 0.45 V 1.5V…

Q: A 9 V battery is connected to a 3 Q resistor in a simple circuit. What is the current passing…

Q: 40 V-, 360 V 80 V 200 2 80 2 20 N 70 Ω

A: Let's consider the current through the first loop be I1 I2 be the current through the middle loop…

Q: 3. A voltage of 4.50 V is measured across a resistor with 2.00 A of current flowing through t What…

A: Given:- The voltage V = 4.50 V The current I = 2 A Find:- The resistance of the resistor? 2.25…

Q: 7. A 100 Ohm, 200 Ohm, and 500 Ohm resistor are connected in parallel. These are then connected to…

A: The equivalent resistance of resistors connected in parallel is given as:1Rp=1R1+1R2+1R3+.... Ohm's…

Q: The following circuit consists of identical resistors whose resistance is 5.O Q connected to a 40 V…

A: Given data: The Resistance of identical resistors (R) = 5.0 Ω Voltage of Battery (V) = 40 V…

Q: Determine the current through the 50 load resistor in the circuit shown below. Battery 1 r1 1 Ohm V1…

Q: In the circuit shown, how much power is consumed by the resistor? V=6V 400 0.9 W O 0.3 W O 0.7 W 0.5…

A: Given data The potential difference across the circuit is V = 6 V The magnitude of the resistance is…

Q: When they are connected in parallel, the When resistors 1 and 2 are connected in series, the…

A: Given Equivalent resistance when the resistors are connected in series combination is Rs=19.1 Ω…

Q: Given the circuit below where a battery with EMF 12 V and internal resistance 2 ohms is energizing a…

A: Given : E = 12 V r = 2 ohms R = 4 ohms

Q: The table below has information about different resistors in a simple circuit. What would the…

A: We will use ohm's law

Q: А 4.0 Ω resistor is connected with a 12 Ω resistor and both of these are connected across a power…

Q: An electric heater is operated by applying a potential difference of 50.0 V across a wire with a…

Q: A 10-ohm resistor has a constant current. If 1200 C of charge flow through it in 4 minutes what is…

Q: Two 4.0-2 resistors are connected in parallel, and this combination is connected in series with 3.0…

Q: If you have a 1o ohm resistor and 5 amp current going through a circuit, what is its voltage? Select…

Q: A 500 Ohm, 200 Ohm, and 300 Ohm resistors are all in serles and connected to 100 V power supply.…

A: Result - 20 V is the potential difference across the 200 Ohm resistor

Q: Consider the combination of resistors shown in the figure below. 12.0 N 4.00 N 5.00 N 6.00 N 8.00 N…

Q: If a lamp has resistance of 120 W when it operates at 100 W, what is the applied voltage? a. 110 V…

A: The relation between power, voltage and resistance is P =V2RWhere, P =powerR =resistanceV =voltage

Q: "Three resistors of resistanced R1 = 10, R1 = 2 0, and R3 = 4 Q in series are connected across a…

Q: . A 60.0-W lamp is placed in series with a resistor and a 120.0- source. If the voltage across the…

A: Given: The power rating of the lamp is 60 W. The voltage across the lamp is 25 V. The total supplied…

Q: In the circuit below, what is the current flowing through the 3-2 resistor? 6.0N 4.0N 12 V 120 3.0N…

Q: A single resistor has a resistance of 5.0 Q and uses 25 V of potential difference (or voltage). What…

A: Given data: Resistance R= 5.0 ohm Potential difference V = 25 V

Q: 10 V 15 V 15 V 12 Q

A: Current in 12 Ω resistance can be determined by dividing the equivalent potential across the ends of…

Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 16.02. When they are…

Q: Three resistors of resistances R1 = 11.3, R2 = 50.6, and R3 = 83.4 are connected in series with a…

Question

100%

If a circuit contains one 20 2 resistor and still generates 0.50 A of current, what is the voltage of the power supply that powers it?
40 V
40 W
10 W
10 V
O O O O

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Calculate the power delivered to each resistor in the circuit shown in Figure P21.43. Figure P21.43
Three identical 60.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in Figure P28.72. Assuming the resistance of each lightbulb is constant (even though in reality the resistance might increase markedly with current), find (a) the total power supplied by the power source and (b) the potential difference across each lightbulb.
Consider the circuit shown in Figure P18.11. Find (a) the potential difference between points a and b and (b) the current in the 20.0- resistor. Figure P18.11
Three 60.0-W, 120-V lightbulbs are connected across a 120-V power source, as shown in Figure P18.50. Find (a) the total power delivered to the three bulbs and (b) the potential difference across each. Assume the resistance of each bulb is constant (even though, in reality, the resistance increases markedly with current). Figure P18.50
For the circuit shown in Figure P28.55. the ideal voltmeter reads 6.00 V and the ideal ammeter reads 3.00-k. Find (a) the value of K, (b) the emf of the battery, and (c) the voltage across the 3.00-kft resistor.
Consider the circuit shown in Figure P28.21 on page 860. (a) Find the voltage across the 3.00-0 resistor, (b) Find the current in the 3.00-12 resistor.
Consider the circuit shown below. The terminal voltage of the battery is V = 18.00 V. (a) Find the equivalent resistance of the circuit, (b) Find the current through each resistor, (c) Find the potential drop across each resistor, (d) Find the power dissipated by each resistor, (e) Find the power supplied by the battery.
Three 60.0-W, 120-V lightbulbs are connected across a 120-V power source, as shown in Figure P18.50. Find (a) the total power delivered to the three bulbs and (b) the potential difference across each. Assume the resistance of each bulb is constant (even though, in reality, the resistance increases markedly with current). Figure P18.50
For the two resistors shown in Figure 17.12, rank the currents at points a through f from largest to smallest. (a) Ia = Ib Ie = If Ic = Id (b) Ia= Ib Ic = Id Ie = If (c) Ie = If Ic = Id Ia = Ib Figure 17.12 (Quick Quiz 17.8)
A battery with an internal resistance of 10.0 produces an open circuit voltage of 12.0 V. A variable load resistance with a range from 0 to 30.0 is connected across the battery. (Note: A battery has a resistance that depends on the condition of its chemicals and that increases as the battery ages. This internal resistance can be represented in a simple circuit diagram as a resistor in series with the battery.) (a) Graph the power dissipated in the load resistor as a function of the load resistance. (b) With your graph, demonstrate the following important theorem: The power delivered to a load is a maximum if the load resistance equals the internal resistance of the source.
When the current in the portion of the circuit shown in Figure P32.65 is 2.00 A anti increases at a rate of 0.500 A/s, the measured voltage is Vab = 9.00 V. When the current is 2.00 A and decreases at the rate of 0.500 A/s. the measured voltage is Vab = 5.00 V. Calculate the values of (a) I. and (b) R
The power dissipated by a resistor with a resistance of R=100 is P = 2.0 W . What are the current through and the voltage drop across the resistor?