Slip ring commutator To use this e.m.f. to produce a current the coil must be connected to an external circuit using a split-ring commutator. Slip-rings lamp Transformers These are useful devices that can increase or decrease an applied voltage. They work on the principle of magnetic inducti...
@samreid let me know if you would like help, but I don't want to be the first one to poke around your sim. circuit-construction-kit-dc-virtual-lab : migration : 1.3->main http://128.138.93.172/continuous-testing/ct-snapshots/169413844848...
We addressed the problem in phetsims/circuit-construction-kit-common#999 and would like to republish with the fix. Please test to make sure you can see the problem on https://phet-io.colorado.edu/sims/circuit-construction-kit-dc/1.3/ and that you cannot see the problem in https://phet-...