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Which basic Op-amp regulator allows to increase the emitter voltage?
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Numerical - VOUT & P1 in a variable feedback regulator circuit
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Which transistor regulator is also known as 'Emitter-Follower Regulator'?
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Which equation represents the output voltage of fixed negative linear voltage regulator?
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Commercial IC Voltage Regulators have greater significance because of their unique in-built characteristic
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Filter that provides the smoothing effect over the repetitive charging & discharging phases of capacitor
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Switching regulator that has a distinct characteristic of generating the output voltage always less than input voltage
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Numerical - maximum and minimum output voltages for IC voltage regulator with adjustable current and input voltage
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Which circuit has the potential to overcome the drawback of unprotected external pass transistor
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Voltage across the current sensing resistor in switching voltage IC regulators is used internally by
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Filter circuit used with low current equipment to prevent the rectifier diodes from damage of high peak current pulses
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Component that reduces difference between no load and full load voltage by ameliorating the regulation
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Numerical - Average dc output voltage of a chopper with ON time of 20ms and OFF time of 15 ms
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Numerical - Power delivered to the load circuit for firing angles
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The conduction angle in controlled rectification process under the proper firing conditions can be controlled by
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Possible consequences of increasing the filter capacitance
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The significant reason for using bridge wave rectifier is
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Parameter that plays a cardinal role in determining the ratings of transformer while designing any power supply is
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Numerical - Voltage regulation and efficiency of a half-wave rectifier circuit with silicon diode
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A device to convert a sinusoidal input waveform into a unidirectional waveform with a non-zero average component is
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Numerical - Input voltage required for the breakdown in SCR
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Which thyristor behaves like two SCRs connected in parallel configuration & upside down?
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Numerical - Anode current of SCR comprising two-transistor analogy with the gate current
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PUT gets turned ON only when there is an excession of
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Numerical - Maximum & minimum number of blades strokes per minute if UJT controls the motor of an automobile
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Waveforms generated in UJT relaxation oscillator circuit due to additional involvement of external resistances in series
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The acquisition of negative resistance takes place in UJT in the regenerative process when
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Which property of UJT signifies the voltage division factor whose value is always supposed to be less than unity?
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The FET used in Unijunction transistor govern the unique capability to control
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Breakdown devices belonging to the category of solid-state devices are basically dependent on
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Which VVC diode consists of graded doping profile & functionally known as a 'snap diode?
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The shape of externally applied or an impressed control signal in a sampling gate is
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Preferred waveshaping circuits for transmission of specific part of any arbitrary waveform by allocating the reference level
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Numerical - Compute the number of cells required if solar cells are utilized to charge the battery
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Which opto-electronic device shows the inverse variation in resistance with the incident intensity of light ?
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Numerical - Requisite series resistance and dark current for a relay which is under the control of photo-conductive cell
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Consequences in energized regions of LCD when confined to field-effect type of display
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Which colour of light will be emitted when the flow of dc current is in opposite direction?
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Seven segment display usually occur in
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Which LEDs exhibit emission of light in a perpendicular direction to the PN junction plane?
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Value of current in circuit consisting of two oppositely connected ideal diodes in parallel
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Which mode/modes of conduction represent the salient characteristics of an ideal diode?
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Tuning Range of the circuit that utilizes two varactor diodes with L = 15 mH and capacitance varies
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The typical value of diffusion capacitance is
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The level of transition capacitance can be controlled with an assistance of applied biasing because
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Which type of bonds are likely to get ruptured in the junction breakdown after the generation of the strong electric field
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Compute the current in an ideal diode and power consumed by 8 ohm resistor of the below drawn circuit.
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Which resistance is offered by the diode in forward direction above the barrier voltage?
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The value of leakage current is mainly dependent on
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Absorption and transfer of heat in surrounding air for stud-mounted diodes occur by
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