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Explain Thermosetting Plastic Materials.
Thermosetting Plastic Materials: They undergo huge changes while subjected to high temperatures for rather sometimes. They are called as baked and no longer can melt or be dissolved. They are more brittle, less elastic and lose their elasticity while subjected to prolonged heating. Therefore they cannot be remoulded in various shapes once they are hardened and set. They are used, while insulation is to withstand high temperatures without losing or melting its shape and also mechanical strength. Thermosetting plastic substances are space-polymers and the molecules branch off in different directions throughout polymerisation. Such structure makes them extremely rigid, fusible, poorly soluble, and enable of forming elastic films and threads. Examples are Phenol formaldehyde (i.e. Bakelite), Epoxy resins.
An n-channel depletion MOSFET, for which I DSS = 7mA and V P = 4 V, is said to be operating in the ohmic region with drain current i D = 1 mA when v DS = 0.8 V. Neglecting the
Instruction size As we have seen already that each instruction has two parts Opcode ( Operation Code) Which tells the types of operation to be performed .
The first three elements of the task are: 1. To critically examine a selection of the components used on this design 2. To recommend materials to be used in making the board
What is synchronous data transfer? It is a data method which is used when the I/O device and the microprocessor match in speed. To transfer a data to or from the device, the us
Q. Point charges, each of √4πε 0 C, are located at the vertices of an equilateral triangle of side a. Determine the electric force on each charge.
What is faithful amplification. What are basic condition for faithful amplification. Describe : (a) Peak Inverse voltage. (b) Maximum forward current. (c) Knee voltage
Explain pnp transistor circuit . pnp transistor: A transistor consist of three terminals. In this pnp transistor there is two blocks of p- type semiconductors that are separa
Question: (a) Show the Bode Plot, showing the relevant corner frequencies and slopes, for the unity feedback system whose open loop transfer function is given by: (b) T
Power in Balanced Three-Phase Circuits The total power delivered by a three-phase source, or consumed by a three-phase load, is found simply by adding the power in each of the
Construction and operation of jet: jet is a three terminal device one terminal capable of controlling the current between the other two. Basic construction of an n chann
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