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Q. Explain with the help of a circuit diagram,the operation of COLPITTS OSCILLATOR.
Oscillator is a circuit used to generate a.c voltage without a.c.input signal.The energy to generate a.c.voltage is supplied from a d.c.source.If the output voltage is a sine wave,the oscillator is called sinusoidal or harmonic oscillator.There is also another type of oscillator called relaxation oscillator which generates voltages or currents which vary abruptly one or more times in a cycle of oscillation.
Explain the hysteresis loop of a magnetic material. Hystereses loop-Below the Curie temperature all-ferromagnetic materials show the identified hysteresis in the B (i.e. flux
derived expression for reluctant torque in rotating electrical machine
Q. Write a note on feedback of emitter follower? The emitter follower can be seen to be an example of negative feedback when the relationship is put in the form
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applications of heterodyne wave analyzer
Stator Voltage Control Methods By controlling the applied voltage the speed of an induction motor can be controlled. Since the output torque of 3-? induction motor i
Q. What do you understand by common control? In some switching systems, control subsystem may be an integral part of switching network itself. Such system iscalled direct contr
what is frequency response plot?
Design and simulate by using multisim software a series voltage regulator to supply 1A to a load at a constant voltage of 9V. The supply voltage to regulator is 15V±10%. The minimu
i am battling with mesh, node anaalysis, superposition, node thevenin and norton equivalents
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