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Illustrate the satellites in outer space
Satellites in outer space transmit signals to Earth. Computers in vehicles (for example car, airplane or ship) receive and interpret these signals. Positioning relies on very accurate timing - atomic clocks are used due to their accuracy to within a fraction of a second per day. Every satellite transmits data indicating its time and position. Computer in the vehicle calculates its location based on the information from at least three satellites (in the case of airplanes, it's also possible to determine the position as well as height); this can be demonstrated diagrammatically as:
Q. Forces and torques in magnetic-field systems? We mentioned earlier that the greater ease of storing energy in magnetic fields largely accounts for the common use of electrom
Q. What is Pinch - off voltage? The reverse bias is relatively large near the source. As a result, the depletion region intrudes into the channel near the drain, and the effec
Magnetic permeability and the B/H curve To measure the relationship between field strength H and flux density B for a material, a sample is made into a closed ring and a magne
Q. What are the different types of dc generation according to the ways in which fields are excited. Show the connection diagram of each type. Ans. Types of D.C.
Branch Operations Normally the program executes in a sequence. The contents of the program counter register are incremented by one during the execution of current instr
Assume that an abrupt Si p-n junction with area 10-4 cm2 has NA=10 17 /cm 3 and ND=10 17 /cm 3 is working at room temperature. It is given that μ n = 700 cm 2 /v-s, μ P =250 cm
Write explanatory notes on 8284 Clock generator. The 8284 is an ancillary element to the microprocessors. Without this clock generator, a few additional circuits are needed to
Illustrate in detail digital encoders. Illustrate the following with their application: Photo-conductive cell Photo-voltaic cell
Why are the operating voltages of a CRT arranged so that the deflection plates are nearly at ground potential?
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
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