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Give the basic construction of pentode
Construction of Pentode: Constructional details of a typical pentode are demonstrated in fig. (a) and fig. (b) Pentode comprise five electrodes namely a cathode, three grids (suppressor grid, control grid, screen grid) and a plate. Grid closest to the cathode is control grid, next is the screen grid and third is the suppressor grid. Suppressor grid is generally coarser than the control grid or even screen grid mesh and is placed very close to the plate. It doesn't obstruct the flow of electrons from cathodes to anode (or plate). To keep the control grid-to-plate capacitance small extra shields are provided either within the glass envelope or external to it. In latter case the bulb is so shaped as to allow the shield to come very near to plate.
Applications of Superconductors - 1. Electrical Machines 2. Power Cables 3. Electro Magnets 4. Amplifiers 5. Cryotron 6. Magnetic Leviation 7. A 15 Phases
HOW TO DRAW OR GET B-H CURVES & THEIR HYSTERISIS LOOPS FOR NON MAGNETIC MATREIALS
Explain the Transmission of Heat Transmission of heat (movement of heat from the hotter item to the colder item) can be brought about three ways: by conduction, convection, and
what is the equation for work
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explain refractive index of the transparent liquid using prism and spectrometer?
Methods of Demagnetization: 1. A magnet loss it's magnetic properly when it is heated strongly. 2. Practically a magnet can be demagnetized by hammering when it is placed in
What is the difference between vibration and waves?
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