A battery is manufactured to have an emf of 12.0 V, but the terminal voltage is only 10.0 V when the batteryis connected across a 5.00 2 resistor. What is the internal resistance of the battery?О ○ a) 0.500 £2b) 1.25 £2О c) 0.250◎d) 1.00 £2Ωe) 0.75 2

Given:ε = 12 V (emf)V = 10 V (Terminal voltage)R = 5 Ω (Resistor)r = ? (Internal resistance)…

Answered: A battery is manufactured to have an…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 33P: A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.6 V when it is delivering...

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Power P0 = I0 V0 is delivered to a resistor of resistance R0. If the resistance is doubled (Rnew = 2R0) while the voltage is adjusted such that the current is constant, what are the ratios (a) Pnew/P0 and (b) Vnew/V0? If, instead, the resistance is held constant while Pnew = 2P0, what are the ratios (c) Vnew/V0, and (d) Inew/I0?
When resistors with different resistances are connected in parallel, which of the following must be the same for each resistor? Choose all correct answers, (a) potential difference (b) current (c) power delivered (d) charge entering each resistor in a given time interval (e) none of those answers
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A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 inseries with a 1.53-V carbon-zinc dry cell having a 0.100- internal resistance. The load resistance is 10.0 . (a) Draw a circuit diagram of the toy and itsbatteries, (b) What current flows? (c) How much power is supplied to the load? (d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?
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A battery is manufactured to have an emf of 12.0 V, but the terminal voltage is only 10.0 V when the battery is connected across a 5.00 2 resistor. What is the internal resistance of the battery? О ○ a) 0.500 £2 b) 1.25 £2 О c) 0.250 ◎d) 1.00 £2 Ω e) 0.75 2