2. A 6-V battery is connected to three resistorsthat have resistance values of 4 ohms, 5 ohmsand 6 ohms as shown below.a. 21ohms259b. 4 ohmC. 15 ohmsExplainA 9

The equivalent resistance in the series combination is R = R' + R''+ R'''

Answered: 2. A 6-V battery is connected to three…

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter7: Electricity

Section: Chapter Questions

Problem 13P

See similar textbooks

Similar questions

If electrical energy costs 0.12 per kilowatt-hour, how much does it cost to (a) burn a 100-W lightbulb for 24 h? (b) Operate an electric oven for 5.0 h if it carries a current of 20.0 A at 220 V?
If electrical energy costs 0.12 per kilowatt-hour, how much does it cost to (a) burn a 100-W lightbulb for 24 h? (b) Operate an electric oven for 5.0 h if it carries a current of 20.0 A at 220 V?
How does the resistance for copper and for silicon change with temperature? Why are the behaviors of these two materials different?
A car battery with a 12-V emf and an internal resistance of 0.050 is being charged with a current of 60 A. Note that in this process the battery is being charged. (a) What is the potential difference across its terminals? (b) At what rate is thermal energy being dissipated in the battery? (c) At what rate is electric energy being converted to chemical energy? (d) What are the answers to (a) and (b) when the battery is used to supply 60 A to the starter motor?
(a) Of what material is a wire made, if it is 25.0 m long with a diameter of 0.100 mm and has a resistance of 77.7 at 20.0C ? (b) What is its resistance at 150.0C ?
(a) Kind the equivalent resistance between points a and b in Figure P28.13. (b) Calculate the current in each resistor if a potential difference of 34.0 V is applied between points a and b.
A 20.00-V battery is used to supply current to a 10-k resistor. Assume the voltage drop across any wires used for connections is negligible, (a) What is the current through the resistor? (b) What is the power dissipated by the resistor? (c) What is the power input from the battery; assuming all the electrical power is dissipated by the resistor? (d) What happens to the energy dissipated by the resistor?
(a) What is the resistance of a 1.00 102-O, a 2.50-k O, and a 4.00-kresistor connected in series? (b) In parallel?
A battery with an internal resistance of r and an emf of 10.00 V is connected to a load resistor R = r. As the battery ages, die internal resistance triples. How much is the current through the load resistor reduced?
Digital medical thermometers determine temperature by measuring the resistance of a semiconductor device called a thermistor (which has a=0.06/C ) when it isat the same temperature as the patient. What is a patient’s temperature if the thermistor’s resistance at that temperature is 82.0% of its value at 37C (normal bodytemperature)?
A flashlight uses batteries that add up to 4.5 V and has a power output of 0.39 W. (a) How much current is drawn from the batteries?___ A(b) What is the effective resistance of the flashlight? ___ Ω
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 circuit

SEE MORE QUESTIONS

Recommended textbooks for you

Inquiry into Physics

Physics

ISBN:

9781337515863

Author:

Ostdiek

Publisher:

Cengage

University Physics Volume 2

Physics

ISBN:

9781938168161

Author:

OpenStax

Publisher:

OpenStax

Physics for Scientists and Engineers, Technology …

Physics

ISBN:

9781305116399

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

Inquiry into Physics

Physics

ISBN:

9781337515863

Author:

Ostdiek

Publisher:

Cengage

University Physics Volume 2

Physics

ISBN:

9781938168161

Author:

OpenStax

Publisher:

OpenStax

Physics for Scientists and Engineers, Technology …

Physics

ISBN:

9781305116399

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

College Physics

Physics

ISBN:

9781938168000

Author:

Paul Peter Urone, Roger Hinrichs

Publisher:

OpenStax College

Physics for Scientists and Engineers: Foundations…

Physics

ISBN:

9781133939146

Author:

Katz, Debora M.

Publisher:

Cengage Learning

College Physics

Physics

ISBN:

9781285737027

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS

2. A 6-V battery is connected to three resistors that have resistance values of 4 ohms, 5 ohms and 6 ohms as shown below. a. 21ohms 259 b. 4 ohm C. 15 ohms Explain A 9