Oscilloscope Operating Precautions: In addition to the general safety precautions, the following specific precautions should be observed when operating any type of oscilloscope. Most of the Oscilloscope Operating Precautions also…
Block Diagram of CRO: The Basic Block Diagram of CRO is shown in Fig.7.5. The ac filament supplies power to the CRT heaters in the Block Diagram of CRO. This…
DC Meter: The most commonly used dc meter is based on the fundamental principle of the motor. The motor action is produced by the flow of a small amount of…
Measurements of very Large Currents by Thermocouples: Measurements of very Large Currents by Thermocouples - Thermocouples instruments with heaters large enough to carry very large currents may have an excessive…
Classification of Printers: Classification of Printers - Character printers and graphic plotters are the two devices used to prepare a permanent (or hard copy) record of computer output. The basic…
Digital Display System: Digital Display System - The rapid growth of electronic handling of numerical data has bought with it a great demand for simple systems to display the data…
Practical PMMC Movement: The basic Practical PMMC Movement (also called a D'Arsonval movement) offers the largest magnet in a given space, in the form of a horse-shoe, and is used…
Zero Sequence Impedance of Transmission Line: Zero Sequence Impedance of Transmission Line - A fully transposed three-phase line is completely symmetrical and therefore the per phase impedance offered by it…