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Q. A three-phase, 60-Hz induction motor runs at almost 1800 r/min at no load, and at 1710 r/min at full load.
(a) How many poles does the motor have?
(b) What is the per-unit slip at full load?
(c) What is the frequency of rotor voltages at full load?
(d) At full load, find the speed of (i) the rotor field with respect to the rotor, (ii) the rotor field with respect to the stator, and (iii) the rotor field with respect to the stator field.
Q. Sketch g m versus v GS for a JFET with I DSS = 10 mA, V P = 3V, V A = 100 V, and v DS = 10 V. See what happens if V A →∞. Also sketch r o versus v GS .
Q. Give an introductive notes about FET amplifier ? The small signal models for the common source FET can be used for analyzing the three basic FET amplifier configurations: (
Break over voltage of Finger Voltage The minimum forward voltage when the gate is opened at which SCR starts conducting heavily is called the break over voltage. To
Q. What do you mean by Quartz crystals? Synthetic quartz is composed of Silicon and Oxygen (Silicon Dioxide) and is cultured in autoclaves under high pressure and temperature.
Equivalent Circuit of a Polyphase Induction Machine The inductionmachinemay be regarded as a generalized transformer inwhich energy is converted and electric power is transferr
Define the general purpose embedded system. a. General purpose microprocessor For illustration, Intel 80x86, Motorola 68HCxxx or Sparc b. Embedded general purpose process
For the circuit of Fig: (i) using Kirchoff's Laws , find all the currents (ii) determine the voltage across each resistor and check that all loops comply with KVL (iii
(a) A universal shift register can shift in both the left-to-right and right-to-left directions, and it has parallel-load capability. Draw a circuit for such a shift register.
Complete the timing diagram of Figure of an SR latch.
Q. Explain about Automatic Stabilizers? Automatic Stabilizers: Government fiscal policies which have effect of automatically moderating cyclical ups and downs of capitalism.
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