A resistor of unknown resistance is in series with a 20.00 resistor. A battery of emf 6.0V and negligible internal resistance is connected across the combination. The battery provides a current of 0.80 A. What is the unknown resistance?

A resistor of unknown resistance is in series with a 20.00 resistor. A battery of emf 6.0V and negligible internal resistance is connected across the combination. The battery provides a current of 0.80 A. What is the unknown resistance?

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

A resistor of unknown resistance is in series with a 20.00 resistor. A battery of emf 6.0V and
negligible internal resistance is connected across the combination. The battery provides a current
of 0.80 A. What is the unknown resistance?
O a. 15 Q
O b. 50
O c. 10Q
O d. 12 Q

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