This last principle is used in the sensitive switch installation you will be presented next. Photocell is placed in a bridge circuit and a comparator is used as detector bridge balanced. The ...

Learn about symbols for electrical components and how to draw circuit diagrams. Bitesize Scotland Science article for learners at Second Level Curriculum for Excellence.ls explained for curriculum ...

Two lamps connected in series with an open switch and a cell The circuit diagram shows a circuit with two lamps connected in series. If one lamp breaks, the other lamp will not light. The current ...