When switch S is open, the voltmeter V of the batteryreads 5.00 V. When the switch is closed, the voltmeterreading drops to 4.75 V, and the ammeter A reads 1.50 A.Assume that the two meters are ideal.Find the emf,Find the internal resistance of the battery, and the circuitresistance R.

(a) When the switch is open, the emf of the cell is E = 5 V

Answered: When switch S is open, the voltmeter V…

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 19PQ

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When switch S is open, the voltmeter V of the battery reads 5.00 V. When the switch is closed, the voltmeter reading drops to 4.75 V, and the ammeter A reads 1.50 A. Assume that the two meters are ideal. Find the emf, Find the internal resistance of the battery, and the circuit resistance R.