<video><caption><image_56>The image shows a hand holding a black marker and writing on a whiteboard. The whiteboard is attached to a wooden wall and the hand is holding a pen. On the whiteboard, there is a diagram of an AC load line, which is a type of electrical circuit. The diagram is written in black ink and appears to be a flowchart or flowchart. The flowchart is divided into two sections, one labeled "AC Load Line" and the other labeled "Class A". 

The first section of the diagram shows a circuit diagram with various components such as resistors, capacitors, and transistors. The components are connected by lines and arrows, indicating the flow of electricity. The second section shows the current and voltage levels of the circuit.

Overall, the image appears to have been taken in a classroom or a classroom setting.</caption><caption><image_57>The image shows a person's hand holding a black marker and writing on a whiteboard. The whiteboard is attached to a wooden frame and the person is standing in front of it. The person is writing on the whiteboard with black marker. On the left side of the image, there is a diagram of a circuit with various components such as resistors, capacitors, and transistors. The diagram is labeled with the names of the components and their connections. The background is blurred, but it appears to be a room with a wooden floor.</caption><caption><image_58>The image shows a person's hand holding a black marker and writing on a whiteboard. The whiteboard is attached to a wooden wall and the person is writing on it with black marker. On the left side of the whiteboard, there is a diagram of a circuit with various components such as resistors, capacitors, transistors, and diodes. The diagram is written in black ink and appears to be a mathematical equation or problem. The person's fingers are visible on the right side of this image.</caption></video><transcript><audio_59>here is concerned we can see that's made up of two pieces and our load line it's made up of this piece which is IC q and then this second piece up here IC q up to IC sense so what is this second piece</transcript><transcript><audio_60>what is that extra value well that's essentially dictated by this V CEQ this is the voltage that we have on the transistor that's available if you will to drop across the AC collector and emitter resistance so that represents a</transcript><transcript><audio_61>maximum additional current and we can just use Ohm's law and that would just be V CEQ divided by the quantity RC + r e and so that dictates this point up</transcript><transcript><audio_62>here and then down here for cutoff we have a similar sort of situation we have V CEQ as one part of it and then we have the second piece right from V CEQ up to cutoff so what is that well again I come</transcript> here is concerned we can see that's made up of two pieces and our load line it's made up of this piece which is IC q and then this second piece up here IC q up to IC sense so what is this second piece what is that extra value well that's essentially dictated by this V CEQ this is the voltage that we have on the transistor that's available if you will to drop across the AC collector and emitter resistance so that represents a maximum additional current and we can just use Ohm's law and that would just be V CEQ divided by the quantity RC + r e and so that dictates this point up here and then down here for cutoff we have a similar sort of situation we have V CEQ as one part of it and then we have the second piece right from V CEQ up to cutoff so what is that well again I come
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