The emf in the circuit shown in the figure below is 23.5 V. The resistors have resistances R1 = 46.6 0, R2 = 94.3 0, and R3 = 53.0 Q. R1 R2 R3 (a) What is the current in the emf device? A (b) If a fourth resistor is added in parallel with the first three resistors, will the current in the emf device increase, decrease, or stay the same? O increase O decrease O stay the same (c) If, instead, a fourth resistor is added in series with the emf device, will the current in the emf device increase, decrease, or stay the same? O increase decrease O stay the same

The emf in the circuit shown in the figure below is 23.5 V. The resistors have resistances R1 = 46.6 0, R2 = 94.3 0, and R3 = 53.0 Q. R1 R2 R3 (a) What is the current in the emf device? A (b) If a fourth resistor is added in parallel with the first three resistors, will the current in the emf device increase, decrease, or stay the same? O increase O decrease O stay the same (c) If, instead, a fourth resistor is added in series with the emf device, will the current in the emf device increase, decrease, or stay the same? O increase decrease O stay the same

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 32PQ

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