Learn to recognise different circuit symbols with these interactive learning resources for KS2 Science students aged 7-11 from BBC ... A circuit is a closed loop containing various components.

The circuit does not require the open-loop feedback portion of the circuit for the current loop to operate; you can omit it for further cost savings. Advertisement. Figure 1 This configuration ...

Op amp symbol and configurations. Figure 12. Op amp symbol and configurations: (a) inverting, (b) non-inverting and (c) unity gain buffer. Click to Enlarge. In figure12 we have the op amp in some ...