18 views
in Electronics Engineering by
In a feedback series regulator circuit, the output voltage is regulated by controlling the a. Magnitude of the I/P voltage b. Gain of the feedback transistor c. Voltage drop across the series pass transistor d. Reference voltage

Your answer

Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine.

Upload image or document:

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Are you a robot ? (Y = Yes / N = No)
To avoid this verification in future, please log in or register.

Related questions

1 answer 135 views

Sketch pin configuration of IC 723. State functions of each pin. Sketch circuit diagram for obtaining 6V output d.c. regulated voltage using IC 723.

asked Sep 2, 2018 by Shimroz123
0 answers 19 views

The total output offset voltage for a noninverting amplifier with input resistance 1 kOhm , feedback resistance 10 k Ohm, input offset voltage 10 mV and input bias current 100 nA is, about  A) 25 mV B) 55 mV C) 110 mV D) 220 mV

asked Apr 5, 2018 in Electronics Engineering by Shimroz123
0 answers 97 views

In a portable instrument, the controlling torque is provided by  A) Spring B) gravity C) eddy currents D) all of the above

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 48 views

A step voltage E is applied to a series R-L circuit. The rate of change of current is maximum at t = _:  (1) Zero (2) Infinity (3) L/R (4) R/L 

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
0 answers 12 views

The voltage profile of a n-bus power system can be improved by controlling the (A) load angles (B) active power flows (C) reactive power flows (D) complex power flows 

asked Jun 4, 2018 in Power system by Shimroz123
1 answer 18 views

 To a highly inductive circuit, a small capacitance is added in series. The angle between voltage and current will _____.

asked May 29, 2018 in Capacitance by Shimroz123
1 answer 22 views

What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively? A) 320 V B) 448 V C) 64 V D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
0 answers 22 views

In a series RLC circuit, the rms value of voltage across the resistor is 30 V, across the inductor is 60 V and across the capacitor is 20 V. The rms supply voltage would be (A) 110 V (B) 10 V (C) 220 V (D) 50 V

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 30 views

A series R-L circuit is suddenly connected to d.c. voltage source of V volts. The current in this series circuit, just after the switch is closed, is equal to (1) Zero (2) V/L (3) V/C (4) V.L/C 

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
1 answer 23 views

The voltage of transmission can be regulated by  (A) Use of tap changing transformers (B) Switching in shunt capacitors at the receiving end during heavy loads (C) Use of capacitors to neutralize the effect of series reactance (D) Any of the above methods

asked May 8, 2018 in Switchgear And Protection by Zeeshan
1 answer 10 views

The device used for voltage regulator is

asked May 14, 2018 in Electronics Engineering by Shimroz123
2 answers 30 views

Explain with circuit diagram operation of zener diode as a voltage regulator.

asked Sep 2, 2018 by Shimroz123
1 answer 26 views

An amplifier without feedback has a voltage gain of 50, input resistance 1kΩ and output resistance of 2.5kΩ. The input resistance of the current-shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 would be: (1) 1/11 kΩ (2) 1/5 kΩ (3) 5 kΩ (4) 11 kΩ

asked May 29, 2018 in Amplifier by Shimroz123
1 answer 15 views

In a series RLC circuit at resonance, the magnitude of the voltage developed across the capacitor  A) Is always zero B) Can never be greater than the input voltage C) Can be greater than the input voltage, however, it is 90° out of phase with the input voltage D) Can be greater than the input voltage, and is in phase with the input voltage

asked May 20, 2018 in Network Analysis by Shimroz123
1 answer 32 views

Consider a circuit with four resistors in series connected to a voltage source. What happens to the voltage across each resistor, if the value of each of the resistors is doubled? A) It will double B) It will remain the same C) It will be halved D) It will become zero

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 13 views

The ripple voltage in the output of a single phase half wave rectifier with 10 V rectified dc voltage with resistive load and without filter will be • 12.1 volt • 1.21 volt • 0.482 volt • 4.82 volt

asked May 13, 2018 in Electronics Engineering by Shimroz123
1 answer 16 views

The time constant of an RC circuit is defined as the time taken by the voltage across the capacitor to become_____ of its final value   (a) 63.2% (b) 36.8% (c) 50% (d) 100%  

asked May 13, 2018 in Electronics Engineering by Shimroz123
1 answer 16 views

A negative feedback loop returning a voltage to the input raised the input impedance and making the circuit a better

asked May 23, 2018 in Electrical Engineering by Shimroz123
1 answer 61 views

In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage across RLC is 15 V. What is the voltage across C?

asked May 1, 2018 in Network Analysis by Shimroz123
0 answers 23 views

A diode D, resistor R and inductor L and a switch S are connected in series.When a voltage V is applied across the circuit and switch is put on, the voltage across L changes as  A) V(1-exp(-t R/L)) B) Vexp(-t R/L) C) Ldi/dt +Ri D) V(1-t R/L)

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 31 views

A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC voltage drops entirely across the

asked Apr 29, 2018 in Network Analysis by Shimroz123
1 answer 15 views

The time constant of a series R-C circuit is given by?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
0 answers 22 views

When a sinusoidal voltage wave drives a Schmitt Trigger, the output is a:  A) Triangular wave B) Rectified sine wave C) Rectangular wave D) Trapezoidal wave

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 20 views

In d.c. choppers, for periodic time T, the output voltage can be controlled by frequency modulation by varying

asked May 20, 2018 in Power Electronic Controlled Drives by Shimroz123
1 answer 16 views

In dc choppers for chopping period T, the output voltage can be controlled by FM by varying   (A) T keeping Ton constant (B) Ton keeping T constant (C) Toff keeping T constant (D) None of the above

asked May 17, 2018 in Power Electronics by Shimroz123
1 answer 17 views

In a series resonant circuit, maximum voltage across L occurs at  (a) Resonant frequency (b) Slightly below resonant frequency (c) Slightly above resonant frequency (d) At a frequency where I is maximum

asked Apr 23, 2018 in Electrical Engineering by Zeeshan
1 answer 16 views

For a series resonant circuit, at the half power points,which of the following is true?  (a) Current is half of the current at resonance. (b) Resistance is equal to the reactance. (c) The impedance is half the impedance at the resonance. (d) None of the above

asked May 16, 2018 in Electronics Engineering by Shimroz123
0 answers 21 views

For an 8 bit DAC, reference voltage is 10 V. If input to DAC starting from MSB is 10111100, output (in volts) is  A) 5.8 B) 6.4 C) 7.3 D) 8.2

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 9 views

An AC supply of 230 V is applied to half wave rectifier circuit. A transformer turns ratio is 20 : 1. Find i) Output DC voltage (ii) Peak Inverse Voltage (PIV)

asked Jul 10 in Elements of Electronics by Shimroz123
1 answer 18 views

In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 16 views

In a full wave rectifier circuit using centre tapped transformer, the peak voltage across half of the secondary winding is 30 V. Then PIV is: (1) 30 V (2) 60 V (3) 15 V (4) 10 V

asked May 28, 2018 in Electronics Engineering by Shimroz123
0 answers 20 views

In the snubber circuit used in a thyristor to limit the peak voltage overshoot applied across it damping ratio is taken as about  A) 0.14 B) 0.21 C) 0.36 D) 0.62

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 12 views

A unit step voltage is applied at t = 0 to a series RL circuit with zero initial conditions  A) It is possible for the current to be oscillatory B) The voltage across the resistor at t = 0+ is zero C) The energy stored in the inductor in the steady state is zero D) Theresistor current eventually falls to zero 

asked May 20, 2018 in Network Analysis by Shimroz123
0 answers 30 views

For an ADC, full scale output voltage is about 10 V.For a resolution of about 9.78mV, number of bits required is  A) 6 B) 8 C) 10 D) 12

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 14 views

The voltage of a circuit is measured by a voltmeter having input impedance comparable with the output impedance of the circuit thereby causing error in voltage measurement. This error may be called as_________.

asked Mar 31, 2018 in Electrical Engineering by Shimroz123
0 answers 10 views

What is the output voltage of a battery if 12 J of energy is expended in moving 1 C of charge?

asked Jul 1 by Shimroz123
0 answers 8 views

What is the output voltage of a battery if 6 J of energy is expended in moving 1 C of charge?

asked Jul 1 by Shimroz123
0 answers 11 views

What is the output voltage of a battery if 10 J of energy is expended in moving 1.25 C of charge?

asked Jul 1 by Shimroz123
0 answers 97 views

 When The dc converter in figure shown has a resistance load of R = 10 Ω and the input voltage is Vs 220 V the converter switch remains on, its voltage drop is Vo -2 V. The chopping frequency is fI K sW Vs If the duty cycle is 50%, determine: (a) the average output voltage V (b) the RMS output voltage Vo (c) the converter efficiency (d) the effective input resistance of the converter

asked Apr 26 by Hussein
1 answer 17 views

In a 3-phase half-wave rectifier, if per phase input is 200 V, then the average output voltage is   (a) 233.91 V (b) 116.95V (c) 202.56 V (d) 101.28V 

asked May 13, 2018 in Power Electronics by Shimroz123
1 answer 24 views

In a battery, the difference between the no-load voltage and the measured voltage output is called ________ A) Internal voltage B) Internal resistance C) External resistance D) All the above

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
0 answers 60 views
asked Oct 17, 2018 in Basic Electronics by anonymous
0 answers 13 views

An R-L series AC circuit has R = 10 ohm and XL = 10 ohm. It is connected to an AC voltage source, the phase angle between voltage and current is (a) 30° (b) 45° (c) 60° (d) 36.8°

asked May 25, 2018 in Network Analysis by Shimroz123
1 answer 100 views

An eight bit digital data 10101100 is fed to an ADC. The reference voltage is +10V. The analog output voltage will be:  (1) 1.05V (2) 6.74V (3) 10.10V (4) 5.15V

asked Apr 9, 2018 in Electronics Engineering by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,520 questions

7,118 answers

135 comments

3,090 users

...