What current is flowing through the on/off switch?

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Homework Help Overview

The discussion revolves around determining the current flowing through an on/off switch in a circuit powered by a 20-volt battery. Participants are exploring the calculations related to current flow and verifying their results against multiple-choice options.

Discussion Character

  • Exploratory, Mathematical reasoning

Approaches and Questions Raised

  • The original poster attempts to calculate the current and shares a result close to one of the multiple-choice answers. Other participants inquire about the methodology used to arrive at that result, emphasizing the importance of showing work.

Discussion Status

Participants are actively engaging in the discussion, with some providing calculations and others requesting clarification on the methods used. There is a supportive atmosphere as one participant acknowledges the calculations presented.

Contextual Notes

The original poster expresses uncertainty about their answer and seeks confirmation, indicating a desire for accuracy in their calculations. The discussion includes a focus on the necessity of demonstrating work to validate results.

persian52
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What current is flowing through the on/off switch?

The circuit below is powered by a 20-volt battery. What current is flowing through the on/off switch (When it is on, as shown)?

o01beu.jpg


A. 0.23 amperes
B. 0.29 amperes
C. 0.32 amperes
D. 0.38 amperes


i tried myself i got a close answer to D. 0.38 amperes but i want to make sure thanks you! ☺
 
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Would you like to show how you got that?
 


mgb_phys said:
Would you like to show how you got that?

hmm u want me to tell u wat i got? because i got close to Question D. but i want to get the accurate answer.
 
Last edited:


persian52 said:
hmm u want me to tell u wat i got?
No, we want you to show your work.
 


1/16 + 1/20 = 0.1125

1/0.1125 + 24 +20 = 52.8

20v/52.8 = 0.38
 


Looks good! :smile:
 

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