Mei Lin, an electrical engineering professor sets up the circuit shown in the figure. The reading of the voltmeter is 5.50 V and the reading of the ammeter is 4.20 mA. Assuming the voltmeter and ammeter are both ideal, calculate the following. (a)the value of R (in kΩ)   (b)the emf (in V) of the battery   (c)the voltage (in V) across the 3.00 kΩ resistor

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter3: Vectors
Section: Chapter Questions
Problem 27PQ
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Mei Lin, an electrical engineering professor sets up the circuit shown in the figure. The reading of the voltmeter is 5.50 V and the reading of the ammeter is 4.20 mA. Assuming the voltmeter and ammeter are both ideal, calculate the following.

(a)the value of R (in kΩ)
 
(b)the emf (in V) of the battery
 
(c)the voltage (in V) across the 3.00 kΩ resistor
V
A
R
3.00 kN
+
Transcribed Image Text:V A R 3.00 kN +
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