ch. 19 #2 A battery with an emf of 12.0 V shows a terminal voltage of...
ch. 19 #2
A battery with an emf of 12.0 V shows a terminal voltage of 11.5 V when operating in a circuit with two lightbulbs, each rated at 4.0 W (at 12.0 V), which are connected in parallel.
Part A
What is the battery's internal resistance? Express your answer to two significant figures and include the appropriate units.
Part B
|
Eight 9.5-W Christmas tree lights are connected in series to each other and to a 120-V source. |
What is the resistance of each bulb?
Homework Answers
Add Answer to:
ch. 19 #2
A battery with an emf of 12.0 V shows a terminal voltage of...
PLEAASEE HELP!! A battery with an emf of 12.0 V shows a terminal voltage of 11.6...
PLEAASEE HELP!! A battery with an emf of 12.0 V shows a terminal voltage of 11.6 V when operating in a circuit with two lightbulbs, each rated at 4.0 W (at 12.0 V),which are connected in parallel. What is the battery's internal resistance?
Constants Part A A battery with an emf of 12.0 V shows a terminal voltage of...
Constants Part A A battery with an emf of 12.0 V shows a terminal voltage of 11.3 V when operating in a circuit with two lightbulbs rated at 3.0 W (at 12.0 V) which are connected in parallel. What is the battery's internal resistance? Express your answer using two significant figures. Submit Previous Answers Request Answe X Incorrect; Try Again; 3 attempts remaining
A battery with an emf of 11.7 V has a terminal voltage of 11.1 V when...
A battery with an emf of 11.7 V has a terminal voltage of 11.1 V when the current is 3.36 A. (a) Calculate the battery's internal resistance r (in ohms). Ω (b) Find the load resistance R (in ohms). Ω
A battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its...
A battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its terminals are connected to a load resistance of 3.00 . Circuit diagram of a source of emf (in this case, a battery), of internal resistance r, connected to an external resistor of resistance R. for ning R (a) Find the current in the circuit and the terminal voltage of the battery. SOLUTION Conceptualize Study the figure, which shows a circuit consistent with the problem...
A battery with an emf of 12.00 V has an internal resistance r.When connected to...
A battery with an emf of 12.00 V has an internal resistance r. When connected to a resistor R, the terminal voltage is 11.70 V and the current is 0.20 A.A) What is the value of the external resistor R?B) What is the internal resistance r of the battery?C) What is the energy dissipated in the battery's internal resistance in 3.7 minutes?D) When a second identical battery is added in series and the external resistor is R = 28 Ohms...
A battery has an emf of 15.0 V. The terminal voltage of the battery is 13.0...
A battery has an emf of 15.0 V. The terminal voltage of the battery is 13.0 V when it is delivering 16.0 W of power to an external load resistor R. (a) What is the value of R? ? (b) What is the internal resistance of the battery? ?
A battery has an emf of 15.0 V. The terminal voltage of the battery is 12.2...
A battery has an emf of 15.0 V. The terminal voltage of the battery is 12.2 V when it is delivering 14.0 W of power to an external load resistor R. (a) What is the value of R? _____ Ω (b) What is the internal resistance of the battery? ______ Ω
A battery with an emf of 3.00 V has an internal resistance r. When connected to...
A battery with an emf of 3.00 V has an internal resistance r. When connected to a resistor R, the terminal voltage is 2.90 V and the current is 0.16 A. 1. What is the value of the external resistor R? 2. What is the internal resistance r of the battery? 3. What is the energy dissipated in the battery's internal resistance in 1.6 minutes? 4. When a second identical battery is added in series and the external resistor is...
A battery has an emf of 12.0 V and an internal resistance of 0.050 0. Its terminals are connected to a load resistance of 3.00 V.
A battery has an emf of 12.0 V and an internal resistance of 0.050 0. Its terminals are connected to a load resistance of 3.00 V. (A) Find the current in the circuit and the terminal voltage of the battery(B) Calculate the power delivered to the load resistor, the power delivered to the internal resistance of the battery, and the power delivered by the battery
The battery is charged during the day to keep the bulb string lights shining at night. The solar ...
In this tutorial you will analyse a solar powered Christmas tree. The tree has a solar panel at the top, a battery at the base, and bulb string lights around it. The bulb string lights are made from 4 parallel strings with 8 light bulbs in series each. Each light bulb has a nominal resistance of 8 2. The resistance of the wiring is negligible. The battery is charged during the day to keep the bulb string lights shining at...
Constants Part A A battery with an emf of 12.0 V shows a terminal voltage of 11.3 V when operating in a circuit with two lightbulbs rated at 3.0 W (at 12.0 V) which are connected in parallel. What is the battery's internal resistance? Express your answer using two significant figures. Submit Previous Answers Request Answe X Incorrect; Try Again; 3 attempts remaining
A battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its terminals are connected to a load resistance of 3.00 . Circuit diagram of a source of emf (in this case, a battery), of internal resistance r, connected to an external resistor of resistance R. for ning R (a) Find the current in the circuit and the terminal voltage of the battery. SOLUTION Conceptualize Study the figure, which shows a circuit consistent with the problem...
In this tutorial you will analyse a solar powered Christmas tree. The tree has a solar panel at the top, a battery at the base, and bulb string lights around it. The bulb string lights are made from 4 parallel strings with 8 light bulbs in series each. Each light bulb has a nominal resistance of 8 2. The resistance of the wiring is negligible. The battery is charged during the day to keep the bulb string lights shining at...
Most questions answered within 3 hours.
-
Lowell Corp. sells $100,000 of bonds to private investors. The
bonds are due in five years,...
asked 1 hour ago -
3) Do you believe that Disney’s
acquisition-based growth strategy is sustainable?
4) Which competencies support this...
asked 1 hour ago -
Rank the following three stocks by their total risk level highest
to lowest night writer has...
asked 1 hour ago -
A local
electronic company primarily manufactures four highly technical
telecommunication products. Each product must be processed...
asked 2 hours ago -
•Describe the basic structure of collagen monomers •Explain how
amino acid composition of collagen contributes to...
asked 4 hours ago -
Compute the sample correlation coefficient
r for each of the following data sets.
(Use 3 decimal...
asked 5 hours ago -
5a. What are the advantages and disadvantages of Proxy ARP?
b. What is the TTL field...
asked 5 hours ago -
An ice cube (density = 900[kg/m3]) with a side length of
2.54[cm] is held by a...
asked 6 hours ago -
would you say that leaders in the international context are born
or made? That is, can...
asked 6 hours ago -
Instructions
Read the Digital Trends article "Solid state drives are speedier
than hard disk drives. Are...
asked 7 hours ago -
A multiple-choice test consists of 29 questions with possible
answers of a, b, c, d. Estimate...
asked 7 hours ago -
Question 1: Ethanol is the active ingredient of alcoholic
beverages. It is also s a possible...
asked 7 hours ago