Answered: Your friend says that the equivalent…

Your friend says that the equivalent (combined) resistance of resistors connected in series is always more than the resistance of the largest resistor. Do you agree?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter23: Series And Parallel Circuits

Section: Chapter Questions

Problem 40A

See similar textbooks

Related questions

Q: To connect a pair of resistors so that their combined (equivalent) resistance will be less than the…

Q: Using ohms law Which is the same for a 10 Ω and a 20 Ω resistor in parallel in a parallel circuit:…

A: Given : R1 = 10 Ω R2 = 20 Ω

Q: Between current and voltage , which remains the same for a 10 ohm and a 20 ohm resistor in parallel…

A: Voltage is constant in parallel combination in the circuit.

Q: Does heating a metal wire increase or decrease its electrical resistance?

A: When a metal wire is heated, the electrons in the wire gets thermal energy and it gets more vibrant…

Q: Is it less expensive to operate the electric heating unit of 5 kW on 240 V than on 120 V?

A: The simple answer is that they cost almost the same to operate or are only a few dollars apart. Most…

Q: In which circuit do the three resistors have equal voltage drops but carry different current?

Q: A voltmeter is marked 100ohms per volt and another voltmeter is marked 1000ohms per volt. which will…

A: Voltmeter which offers maximum possible resistance in order to have minimum effect on the voltage…

Q: r has a 12-volt battery?

A: An electrochemical cell can be defined as an electrochemical device that can be charged with an…

Q: Between current and voltage, which remains the same for a 10-Ω and a 20-Ω resistor in series in a…

A: Given: Two resistances one is 10 ohm and 20 ohm.

Q: Why are some resistors placed in series and others in parallel?

A: Ohms law tells us that the voltage or potential difference is directly related to the current and…

Q: Which of the lightbulbs, the 25-W bulb or the 60-W bulb , has the higher resistance? Which draws…

A: The power used in lightbulbs is calculated by using the formula P=VI=V2R=Et , where V is the…

Q: Why Does The Resistance Of A Conductor Increase With An Increase In Temperature?

A: The resistance of a conductor increases with an increase in temperature because the thermal velocity…

Q: Your friend says that the equivalent (combined) resistance of resistors connected in series is…

A: When resistors are connected in series, current through them remains same. total voltage = sum of…

Q: If a battery is hooked up to a closed circuit, is it that we have no current out of the battery, or…

Q: Discuss a general relationship between the smallest resistor (lowest Ohms) of a group of resistors…

Q: Of what material is a resistor made if its resistance is 40.0% greater at 100°C than at 20.0°C?

A: Given, Resistance is 40.0% greater at 100°C than at 20.0°C Let T1=20 c T2=100c Resistance at 20c=Ro…

Q: What is the function of fuses or circuit breakers in a circuit?

A: The function of fuses or circuit breakers in a circuit is to disconnect the circuit during…

Q: Do series circuits contain one switch or do they still contain one before every device in circuit…

Q: Show the relationship between current and resistance in a circuit by describing how one affects the…

A: Required: The relationship between the current and resistance in a circuit

Q: What is the effect of increasing/decreasing the resistance on the amount of current?

A: By ohm's law We know that V=IR where V is voltage I is current and R is resistance R=VI

Q: If electrons flow very slowly through a circuit, why does it not take a noticeably long time for a…

Q: What is the effect on the current in a wire if both the voltage across it and its resistance are…

Q: Between current and voltage, which remains the same for a 10-Ω and a 20-Ω resistor in parallel in a…

Q: What is the error in saying that electrons in a common battery-driven circuit travel at about the…

Q: Two lamps, one with a thick filament and one with a thin filament, are connected in series. The…

A: The same current flows through each elements of a circuit connected in series . The lamps are…

Q: If the Voltage is increased and the resistance stays the same, Current will Decrease Stay the same…

A: From Ohm's law V=IR Here, V is the voltage, I is the current and R is the resistance Voltage and…

Q: What is the effect on the current in a wire if both the voltage across it and its resistance are…

A: Ohm’s law is given by

Q: What is required for current to flow in a circuit? (Don’t overthink this question)

A: solution is given by

Q: Does voltage flow through a circuit or is established across a circuit?

A: Voltage, as an expression of potential energy, is always relative between two points. It is also…

Q: Of what material is a resistor made if its resistance is 40.0% greater at 100.0 °C than at 20.0 °C ?

Q: If a 60-W bulb and a 100-W bulb are connected in series in a circuit, across which bulb will there…

Q: What is the pattern for how voltages gets distributed in parallel circuit for equal resistances?…

Q: Why does a wire that carries electric current becomes hot?

A: The heating effect in a wire due to electric current is a consequence of Joule’s law of…

Q: what makes a material a better conductor than another material?

A: Some material like metals are better conductors as they have free electrons which can be…

Q: How does joule heat vary with increasing and decreasing resistances?

A: When a current pass across a resistance the heat dissipated across the resistance is given by:H =…

Q: the decrease in voltage between two ends of a resistor is called?

A: We can measure between the voltage between the two ends of a resistor and on finding the values we…

Question

Your friend says that the equivalent (combined) resistance of resistors connected in series is always more than the resistance of the largest resistor. Do you agree?

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

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

Show that if two resistors R1 and R2 are combined and one is much greater than the other (R1R2) (a) their series resistance is very n early equal to the greater resistance R1 and (b) their parallel resistance is very nearly equal to smaller resistance R2 .
Repeat previous exercise for a negative charge.
In a dc circuit, how do electrons move? (8.2) (a) with a slow drift velocity (b) in alternate directions (c) near the speed of light (d) none of the preceding
Discuss the differences between average power and instantaneous power.
Verify the energy unit equivalence that 1 kWh = 3.60106 J.
Find the resistance that must be placed in series with a 25.0- galvanometer having a 50.0-A sensitivity (the same as the one discussed in the text) to allow it to be used as an ammeter with a 10.0-A full-scale reading. Include a circuit diagram with your solution.
A wire with a resistance of 5.0 is drawn out through a die so that its new Length is twice times its original length. Find the resistance of the longer wire. You may assume that the resistivity and density of the material are unchanged.