Question 12 (5 points) A battery has a terminal voltage of 6 volts when a current...
Question 10 (5 points) A battery has an internal voltage (EMF) of 12 and an internal resistance of 5 ohms. If the terminal voltage of the battery is 8.4 volts, calculate the current through the battery (in milliamps). Your Answer: Answer Question 11 (5 points) Saved If 0.9 amp flows through a 40 ohm resistor, the voltage across the resistor is: Your Answer:
A 12 volt battery has a terminal voltage of 10 volts when delivering a current of 20 A to the starter of a car. What is the internal resistance of the battery?
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
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...
please answer! Part A Terminal Voltage and Internal Resistance: A battery has an emf 8 - 12 V and an internal resistance r = 2.0, as shown in the figure. When a current of 6.0 A is drawn from the battery, the terminal voltage of the battery Vab is closest to a b ε' r +12 V. OV. 24 V 2.0 V 10 V. Submit Bequest Answer
urgent,! please help, thank you Question 6 1 pts A light bulb with a resistance of 2982 draws 56 milliamps of current when attached to a 20 volt battery (i.e., the emf of the battery is 20 volts). What is the internal resistance of this battery? Answer in ohms to the nearest ohm. (1000 milliamps = 1 amp.)
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...
FREE RESPONSE [10 points A battery with an emf of 24 volts and an internal resistance of 1 ohm is connected to an external circuit as shown above Determine each of the following 26. The equivalent resistance of the combination of the 4-ohm, 8-ohm, and 12-ohm resistors 27. The current in the 5-ohm resistor 28. The terminal voltage, Vac of the battery 29. The rate at which energy is dissipated in the 12-ohm resistor 30. The magnitude of the potential...
A battery of internal resistance 0.5 ohms is connected to a load of resistance 4 ohms. If the battery has an EMF of 6.0 volts, what is the terminal voltage when it is under load?
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? ?