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Q. What is thermal runaway.
The problem of self heating arises due to dissipation of power at the collector junction. The leakage current ICBO is extremely temperature dependent and increase with the rise of temperature of collector base junction. An increase in ICBO causes an increase in collector current IC considerabely. With the increase in collector current ,collector power dissipation increase which raises the junction temperature which leads to further increase in collector current. The process is cumulative and may lead to the eventual destruction of the transistor . This phenomenon is called thermal runaway.
Q. Explain about Elementary Direct-Current Machines? A preliminary discussion of dc machines, including Equations. The location of the brushes on the commutator arrangement con
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The assignment comprises two parts, a CPLD Design Exercise and a CPLD Design Project. The CPLD Design Exercise will enable you to acquire competance in programmable logic design
design a combinational ckt ,which detect whatever a no.(in binary) is divisable by 3 or 4
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Gis Applications So far, you have learnt how GIS can help utilities to obtain snapshots of the locations of substations, lines and cables in relation to their geographical bea
(a) Design a 6-bit R-2 R ladder D/A converter. (b) For V ref = 10 V, find the maximum output voltage. (c) Determine the output voltage increment. (d) If the output voltag
Explain Hall Effect. Hall Effect: If a current carrying conductor is placed in a magnetic field, a voltage is produced that acts in the perpendicular direction to the current
which ckt. Or components using for irregular ac sine wave change into pure sine wave.......
16:1 mux using 8:1
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