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Battery calculation help

ELBOW2HEAD

Oct 19, 2011
3
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Oct 19, 2011
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Hi all,new guy here.

I have a problem and for some reason i can't get my head around it and wonder if you can clear it for me.

There are 3 batteries all at 1.5v. Lets call them A B and C

A and B are in series while C is in parallel with A and B (hope you know what i mean here)

What is the total voltage.

I worked it out as 3v...is this correct?
 

davenn

Moderator
Sep 5, 2009
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not a good thing to do!!!

DONT parallel batteries of different voltages as you are going to feed the poor 1.5V battery C with 3V

Dave

BTW welcome to the forums :)
 

ELBOW2HEAD

Oct 19, 2011
3
Joined
Oct 19, 2011
Messages
3
Sorry,i should of explained. Its a theory question i need to answer for a test and i just had a mental block.

Is 3v like i mentioned correct then?
 

davenn

Moderator
Sep 5, 2009
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it still shouldnt be done in theory.
the 1.5V battery is going to load down the supply from the series batteries
its probably going to get quite hot

I doubt that you will get the full 3 V out of the series batteries... as I said its going to get loaded down.
In reality thats a silly exam Q to ask as it would never be done in practice

Dave
 
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