How to solve current circuit problems without enough information?

[Nicolas01]

Homework Statement

a

Relevant Equations

a

https://www.physicsforums.com/attachments/267955 I think i should apply kirchkoff rules so I can find i1,i2,i3 R1,R' but I don't have enough information and I don't know how to have those informations .What is your ideas?

 

[cnh1995]

In which direction is the ammeter current?
If that is not given, there are multiple answers to this problem.

 

[Nicolas01]

In which direction is the ammeter current?
If that is not given, there are multiple answers to this problem.

It's arbitrary I guess, because i don't have the information

 

[berkeman]

Homework Statement:: a
Relevant Equations:: a

https://www.physicsforums.com/attachments/267955 I think i should apply kirchkoff rules so I can find i1,i2,i3 R1,R' but I don't have enough information and I don't know how to have those informations .What is your ideas?

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