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A balanced star-connected load is connected across a three phase 450V 50 Hz AC supply. Each load element has an impedance of 5+j12 Ω.
Calculate:
(i) The power factor of the load
(ii) The supply line current
(iii) The reactive power consumed by the load
(iv) The delta-connected capacitor values required to restore the system power factor to unity.
Define some Huntington postulates - Boolean Algebra? Postulates 1. Commutative Law (a) A + B = B + A (b) A B = B A 2. Distributive Law (a) A (B + C) = A B + A
Explain junction transistors (npn and pnp). Junction Transistor: This transistor consists of two p-n junctions combined in one crystal as demonstrated in figure below.
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Explain the working of BJT Amplifiers? The purpose of electronic amplifiers is essentially to increase the amplitude and power of a signal so that either useful work is done or
GIS Applications in Management of Power Distribution Systems: a.) Inventory of existing network. b.) Easy access to network details. c.) Easy access
details
working of 4:1 demultiplexer
Define real time operating system. Real time operating system (RTOS): The real operating system is an operating system used in embedded applications which performs tasks in a
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