If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Kirchhoff's rules: circuits with two loops


Consider the circuit shown below.
What is the current passing in the direction from A to B?
Note: Input the answer in the simplest fractional form. IAB may be positive or negative.
  • Your answer should be
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4