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(a) What is understand by clipping circuit. Draw and illustrate different types of diode clipping circuits?
(b) With the help of circuit diagram describe the working of centre tap full wave rectifier and also obtain the expression for efficiency?
barrier voltage at pn junction
In a certain chemical-processing plant, a liquid chemical is used in a manufacturing process. The chemical is stored in three different tanks. A level sensor in each tank produces
a) A 230 V/25V, 50 HZ transformer with a rated primary current of 1,2 Amps is used to supply a number of 25 V, 30 Watt halogen light bulbs. Assuming an ideal transformer and that
UniJunction Transistor: (abbreviated as UJT), also called the double base diode, is a 2 layer, 3 terminal solid state switching device. The device has a unique characteristi
What are the basic modes of operation of 8255? There are two basic modes of operation of 8255, viz. 1. I/O mode. 3. BSR mode. In I/O mode, the 8255 ports work as progr
Explain the principle of a thermocouple. Give two examples of some common thermocouples. Thermocouples : They are used for the measurement of temperature. While two wires of v
Example of Registers Example : Write the instruction to copy data byte 24H stored in register C to register B Solution : The instruction to copy data byte is a
a 400V 4-pole DC generator takes an armature current of 50A when rotating at 626 rpm. the armature circuit resistance is 0,25ohms. determine the generated emf. DOC
Q. A 300-kVA transformer has a core loss of 1.5 kW and a full-load copper loss of 4.5 kW. (a) Calculate its efficiency corresponding to 25, 50, 75, 100, and 125% loads at unity
Q. Given that a silicon n-channel JFET has V P = 5 V and I DSS = 12 mA, check whether the device is operating in the ohmic or active region when v GS =-3.2 V and i D = 0.5 mA.
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