General > General Technical Chat

An interesting question

(1/6) > >>

Sarvesaa:
Dear friends,

Today I appeared for a competitive exam where I got this question they are asking the total current through circuit. I have attached the circuit down.

I think you find it interesting.
  8) :popcorn: :-+

Thank you

TimFox:
Since, by inspection, there is no voltage across the "diagonal" 5 ohm resistor, and therefore no current through it, the solution is straightforward.

eugene:

--- Quote from: TimFox on July 26, 2022, 03:20:59 pm ---Since, by inspection, there is no voltage across the "diagonal" 5 ohm resistor, and therefore no current through it, the solution is straightforward.

--- End quote ---

Which I assume is the real reason for the question: to see who does and does not see the symmetry.

pqass:
How to solve resistor cube problems:

Sarvesaa:
Yes its straight forward if you know that 3/6 = 3/6 so its simply a balanced wheatstone bridge. Since it is balanced no current flows through the 5\$\Omega\$ resistor. The total resistance is 6\$\Omega\$ and the total current is 1 ampere with 6volt battery. :-+

Thank you

Edit The total current is 0.8333 A with 5volt battery as given in the circuit

Navigation

[0] Message Index

[#] Next page

There was an error while thanking
Thanking...
Go to full version
Powered by SMFPacks Advanced Attachments Uploader Mod