What is the batterys internal resistance

Reference no: EM13246026

A battery with an emf of 12.0 V shows a terminal voltage of 11.4V 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?

Reference no: EM13246026

Questions Cloud

Discuss what economic theory states and predicts : Discuss what economic theory states and predicts about the issue presented in the news article.Assess how the situation / issue presented in the news article aligns with economic theory. For example, does it make sense from an economic perspective; i..

What happens to the margin of error : Provide a 95% confidence interval for the population proportion of college students who work to pay for tuition and living expenses.

Find the emf : When switch S in the figure is open, the voltmeter V of the battery reads 3.10V . When the switch is closed, the voltmeter reading drops to 2.96V, Find the emf

If contract promises were not excused because of acts of : If contract promises were not excused because of acts of war, would the clearing and settlements clients of Bank of New York change their behavior? If so, how? What reliance behavior would be considered efficient? What reliance behavior would be cons..

What is the batterys internal resistance : A battery with an emf of 12.0 V shows a terminal voltage of 11.4V when operating in a circuit with two lightbulbs, What is the battery's internal resistance

Show the sampling distribution of p : Show the sampling distribution of p and what is the probability the Times/CNN poll will provide a sample proportion

What is the total resistance of the circuit : Three 45-? lightbulbs and three 70-? lightbulbs are connected in series. What is the total resistance of the circuit

What is the vertical component of the velocity : A ball is thrown horizontally from the top of a 85 m building and lands 140 m from the base of the building. What is the vertical component of the velocity just before the ball hits the ground in m/s

In the first-order exponential smoothing model the new : In the first-order exponential smoothing model, the new forecast is equal to the old forecast plus a weighting factor (W) times the error in the most recent forecast.

User Account

All Pages