What is the terminal voltage Vba of the "unknown" battery? (The current is to the right.)...
What is the terminal voltage Vba of the "unknown" battery? (The current is to the right.)
Express your answer to two significant figures and include the appropriate units.
What is the terminal voltage Vba of the "unknown" battery? (The current is to the left.)
Express your answer to two significant figures and include the appropriate units.
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What is the terminal voltage Vba of the "unknown"
battery? (The current is to the right.)...
Terminal Voltage of an unknown battery
The current (I) through the 4.0 kΩ resistor in the figure below is 4.00 mA. What is the terminal voltage Vba of the "unknown" battery? (There are two answers. Why?)Assume I points to the right in the 4.0 kΩ resistor.___________ VAssume I points to the left in the 4.0 kΩ resistor. ___________ V
Calculate the terminal voltage for a battery with an internal resistance of 0.750 Ohm and an...
Calculate the terminal voltage for a battery with an internal resistance of 0.750 Ohm and an emf of 6.50 V when the battery is connected in series with a 78.0-Ohm resistor. Express your answer to three significant figures and include the appropriate units. V_ab = Calculate the terminal voltage for a battery with an internal resistance of 0.750 Ohm and an emf of 6.50 V when the battery is connected in series with an 780-Ohm resistor. Express your answer to...
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...
With a 1500 MΩ resistor across its terminals, the terminal voltage of a certain battery is...
With a 1500 MΩ resistor across its terminals, the terminal voltage of a certain battery is 2.60 V . With only a 5.11 Ω resistor across its terminals, the terminal voltage is 1.80 V Part A Find the internal emf of this battery. Express your answer in volts to three significant figures. Part B Find the internal resistance of this battery. Express your answer in ohms to three significant figures. Part C What would be the terminal voltage if the...
Attach a 14 V voltage source between the terminals a-b in (Figure 1). with the postive...
Attach a 14 V voltage source between the terminals a-b in (Figure 1). with the postive terminal at the top Part A Use voltage division to find the voltage across the resistor, positive at the left Express your answer to three significant figures and include the appropriate units. 40= 187 V Submit Previous Answers Correct Part B Use the result from part A to find the current in the 4 resistor from left to right. Express your answer to three...
A 1.5 V battery provides 0.42 A of current. Part A: At what rate (C/s) is...
A 1.5 V battery provides 0.42 A of current. Part A: At what rate (C/s) is charge lifted by the charge escalator? Part B:How much work does the charge escalator do to lift 1.3 C of charge? Express your answer to two significant figures and include the appropriate units. Part C:What is the power output of the charge escalator? Express your answer to two significant figures and include the appropriate units.
A capacitor has a peak current of 320 μA when the peak voltage at 320 kHz...
A capacitor has a peak current of 320 μA when the peak voltage at 320 kHz is 2.9 V . part A What is the capacitance? Express your answer to two significant figures and include the appropriate units. part B If the peak voltage is held constant, what is the peak current at 640 kHz ? Express your answer to two significant figures and include the appropriate units.
Using the formula power = current x voltage, find the current drawn by a 800-W toaster...
Using the formula power = current x voltage, find the current drawn by a 800-W toaster connected to 110 V Express your answer to two significant figures and include the appropriate units. μ.Α. I Value Units Submit Request Answer 4 Part B Then, using the equation current = voltage/resistance, find the resistance of the toaster. Express your answer to two significant figures and include the appropriate units. . ? R = Value Units CLL --- P Pearson
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
12 = 2.0 0. WH C = 18 V R= 6.6 2 i = 1.0 2....
12 = 2.0 0. WH C = 18 V R= 6.6 2 i = 1.0 2. wH C = 12V Determine the terminal voltage of top battery. Express your answer to two significant figures and include the appropriate units. HA ? Vterminal Value V Submit Request Answer Part B Determine the terminal voltage of bottom battery. Express your answer to two significant figures and include the appropriate units. μΑ ? Vterminal = Value V Submit Request Answer
Calculate the terminal voltage for a battery with an internal resistance of 0.750 Ohm and an emf of 6.50 V when the battery is connected in series with a 78.0-Ohm resistor. Express your answer to three significant figures and include the appropriate units. V_ab = Calculate the terminal voltage for a battery with an internal resistance of 0.750 Ohm and an emf of 6.50 V when the battery is connected in series with an 780-Ohm resistor. Express your answer to...
Attach a 14 V voltage source between the terminals a-b in (Figure 1). with the postive terminal at the top Part A Use voltage division to find the voltage across the resistor, positive at the left Express your answer to three significant figures and include the appropriate units. 40= 187 V Submit Previous Answers Correct Part B Use the result from part A to find the current in the 4 resistor from left to right. Express your answer to three...
Using the formula power = current x voltage, find the current drawn by a 800-W toaster connected to 110 V Express your answer to two significant figures and include the appropriate units. μ.Α. I Value Units Submit Request Answer 4 Part B Then, using the equation current = voltage/resistance, find the resistance of the toaster. Express your answer to two significant figures and include the appropriate units. . ? R = Value Units CLL --- P Pearson
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
12 = 2.0 0. WH C = 18 V R= 6.6 2 i = 1.0 2. wH C = 12V Determine the terminal voltage of top battery. Express your answer to two significant figures and include the appropriate units. HA ? Vterminal Value V Submit Request Answer Part B Determine the terminal voltage of bottom battery. Express your answer to two significant figures and include the appropriate units. μΑ ? Vterminal = Value V Submit Request Answer
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