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Q. A single-phase, two-winding, 10-kVA, 440:110- V, 60-Hz transformer is to be connected as an autotransformer to supply a load at 550 V from a 440-V supply. Draw a schematic diagram of the connections and determine:
(a) The maximum kVA rating as an autotransformer.
(b) The maximum apparent power transferred by conduction.
(c) The maximum apparent power transferred by electromagnetic induction.
Consider a simple zener voltage regulator with the circuit diagram shown in Figure (a). (a) For a small reverse resistance R Z S and V S - R S i out > V Z , show that v ou
Q. What do you mean by Oscilloscope? To measure time-varying signals (voltages and currents), an instrument known as an oscilloscope is employed. It can be used as a practical
The Electrical Circuit sign convention Notice that current leaves a source at its high potential (positive) terminal but enters a load at its high potential (positive) ter
Define Sampling below the Nyquist Rate? A further reduction of the sampling frequency will reason one sample to be taken each period. The Case 3 plot depicts the effect of this
voice signal is measured at 3.21692v and resides in an interval from 3.20v to 3.30. How big is an interval? MAx possible voltage?
what is
Addressing Model As we have learned already that each instruction has two parts one is op code and another is operand. Op code specified the type of operations to be
Atoms with four valence electrons are good conductors. This statement is true or false. Ans: Atoms are good conductors with four valence electrons. This statement is false.
with the aid of the diagram explain the following rules that can be used to determine the direction of magnetic fields around a current carrying conductor (1)cork screw rule (2)rig
Define Gain and Phase Responses? Expressing H(e j? ) in polar form as: H (e j? ) = G (?) e jφ(?) G(?) is the "gain" of the discrete-time system and φ(?) is the "phas
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