Your cell phone typically consumes about 300 mW of power when you text a friend. If the phone is operated using a lithium-ion battery with a voltage of 3.5 V, what is the current (in A) flowing through the cell-phone dirauitry under these circumstances? Compare your result with the data given in the table below. Typical Currents in Common Devices Device Current (A) Calculator 0.0001 Spark plug 0.001 0.003 iPhone (while charging) 60 watt conventional 0.5 lightbulb LCD television 1.9 1,800 watt hair dryer 15 O The current in the cell phone is greater than that in a calculator but less than that in a spark plug. O The current in the cell phone is greater than that in a spark plug but less than that in an iPhone (while charging). O The current in the cell phone is greater than that in an iPhone (while charging) but less than that in a 60 watt lightbulb. O The current in the cell phone is greater than that in a 60 watt lightbulb but less than that in an LCD television. O The current in the cell phone is greater than that in an LCD television but less than that in a 1,800 watt hair dryer.

Your cell phone typically consumes about 300 mW of power when you text a friend. If the phone is operated using a lithium-ion battery with a voltage of 3.5 V, what is the current (in A) flowing through the cell-phone dirauitry under these circumstances? Compare your result with the data given in the table below. Typical Currents in Common Devices Device Current (A) Calculator 0.0001 Spark plug 0.001 0.003 iPhone (while charging) 60 watt conventional 0.5 lightbulb LCD television 1.9 1,800 watt hair dryer 15 O The current in the cell phone is greater than that in a calculator but less than that in a spark plug. O The current in the cell phone is greater than that in a spark plug but less than that in an iPhone (while charging). O The current in the cell phone is greater than that in an iPhone (while charging) but less than that in a 60 watt lightbulb. O The current in the cell phone is greater than that in a 60 watt lightbulb but less than that in an LCD television. O The current in the cell phone is greater than that in an LCD television but less than that in a 1,800 watt hair dryer.

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

Your cell phone typically consumes about 300 mW of power when you text a friend. If the phone is operated using a lithium-ion battery with a voltage of 3.5 V,
what is the current (in A) flowing through the cell-phone dirauitry under these circumstances?
Compare your result with the data given in the table below.
Typical Currents
in Common Devices
Device
Current (A)
Calculator
0.0001
Spark plug
0.001
iPhone (while
charging)
0.003
60 watt conventional
0.5
lightbulb
LCD television
1.9
1,800 watt hair dryer
15
O The current in the cell phone is greater than that in a calculator but less than that in a spark plug.
O The current in the cell phone is greater than that in a spark plug but less than that in an iPhone (while charging).
O The current in the cell phone is greater than that in an iPhone (while charging) but less than that in a 60 watt lightbulb.
O The current in the cell phone is greater than that in a 60 watt lightbulb but less than that in an LCD television.
The current in the cell phone is greater than that in an LCD television but less than that in a 1,800 watt hair dryer.

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