1. What effect will the internal resistance of a rechargeable battery have on the energy being used to rechargethe battery?2. A battery with an internal resistance of r and an emf of 10 V is connected to a load resistor R=r. As thebattery ages, the internal resistance triples. How much is the current through the load resistor reduced?3. Show that the power dissipated by the load resistor is maximum when the resistance of the load resistor isequal to the internal resistance of the battery.4. A voltage occurs across an open switch. What is the power dissipated by the open switch?5. The severity of a shock depends on the magnitude of the current through your body. Would you prefer to bein series or in parallel with a resistance, such as the heating element of a toaster, if you were shocked by it?Explain.

The energy will get dissipated from battery in the form of heat when there will be an internal…

Answered: 1. What effect will the internal…

1. What effect will the internal resistance of a rechargeable battery have on the energy being used to recharge the battery?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

100%

1. What effect will the internal resistance of a rechargeable battery have on the energy being used to recharge
the battery?
2. A battery with an internal resistance of r and an emf of 10 V is connected to a load resistor R=r. As the
battery ages, the internal resistance triples. How much is the current through the load resistor reduced?
3. Show that the power dissipated by the load resistor is maximum when the resistance of the load resistor is
equal to the internal resistance of the battery.
4. A voltage occurs across an open switch. What is the power dissipated by the open switch?
5. The severity of a shock depends on the magnitude of the current through your body. Would you prefer to be
in series or in parallel with a resistance, such as the heating element of a toaster, if you were shocked by it?
Explain.

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6. An electrical circuit is shown below. The battery supplies 15 V. The resistances have the following values: R₁= 30 Ω, R₂ = 40 Ω, R3 = 20 Ω . (a) Calculate the replacement resistance of the three resistors. (b) Calculate the total current through the circuit, and the current through the respective resistor (c) If the lower right corner is grounded, then calculate the potentials at points A and B. (d) If the current is interrupted at point C, what will be the potentials at A and B.
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