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Topic :: Voltage





Voltage Interview Questions
Questions Answers Views Company eMail

Is reverse saturation current of a diode is independent of reverse bias voltage?

1041

How do the transition region width and contact potential across a p-n junction vary with the applied bias voltage?

1101

Why is it necessary to include voltage stabilizer in a power supply?

1075

Explain the operation of 3φ bridge inverter for 1800 degree mode of operation with aid of relevant phase and line voltage waveforms?

943

Explain the operation of multistage control of ac voltage controllers with neat diagram?

1027

For high voltage applications will you prefer mosfet or igbt?

1062

What type of gating signal is used in single phase ac voltage controller with rl load?

1281

What is voltage commutation?

1081

Describe the operation of series inverter with aid of diagrams. Describe an expression for output frequency, current and voltages. What are the disadvantages of basic series inverter?

1239

What are the two methods of control in ac voltage controllers?

968

Give an expression for average voltage of single phase semiconverters?

1128

Describe the principle of step-up chopper. Derive an expression for the average output voltage in terms of input dc voltage & duty cycle?

1107

Power mosfet is a voltage controlled device. Why?

1063

Explain the working of current commutated chopper with aid of circuit diagram and necessary wave forms. Derive an expression for its output voltage?

991

Explain the operation of 1φ sinusoidal ac voltage controller?

999




Related Topics


Un-Answered Questions { Voltage }

How does a Bandgap Voltage reference work?

3847


How about voltage source?

2214


How do you size NMOS and PMOS transistors to increase the threshold voltage?

2971


Explain the basic circuits for a current- and voltage- clamp set-up.

1743


What types of I/O have you designed? What were their size? Speed? Configuration? Voltage requirements?

2391


I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.

2170


iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

2210


how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

2182


can we calculate the voltage level for microwave energy which is using for our mobile communication?

2757


Is it possible to calculate a voltage for microwave energy generating in oven? Is there any formula relating frequency and voltage and it should be independent of speed?

2258


Formulae for calculating the transmission line losses for different voltage levels

2116


Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2261


What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

6088


What is the difference between Static and servo controlled voltage stablizer?

2129


What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1811