# what the full form of IEC ?

IEC stands for International Electrotechnical Commission.

## Related questions

Description : what is the full form of ISO ?

Answer : ISO stands for International Orgazisation for Standardization.

Description : What is the full form of ACSR?

Answer : Aluminum conductor steel rainforce

Description : What is the full form of IC?

Description : Give the full form of LASER.

Answer : Full form :  Light Amplification by Stimulated Emission of Radiation.

Description : Give the full form of SCADA & HMI.

Answer : Full Form of SCADA and HMI:  SCADA:-Supervisory Control and Data Acquisition  HMI :- Human Machine Interface

Description : Express the following functions in cosine form

Answer : Express the following functions in cosine form

Description : Define form factor and peak factor.

Answer : Form factor is equal to rms value divided by average value ... Peak factor is equal to Max value divided by rms value.

Description : Which of the following waveforms has the lowest form factor? A) Sine wave B) Square wave C) Sawtooth wave D) Triangle wave

Answer : Which of the following waveforms has the lowest form factor? A) Sine wave B) Square wave C) Sawtooth wave D) Triangle wave

Description : Form factor for a sine wave is?

Answer : The form factor is the ratio of r.m.s. value to average value.

Description : Evaluate the following quantities and express your results in polar form

Answer : Evaluate the following quantities and express your results in polar form

Description : Evaluate the following complex numbers and leave your results in polar form

Answer : Evaluate the following complex numbers and leave your results in polar form

Description : Calculate these complex numbers and express your results in rectangular form

Answer : Calculate these complex numbers and express your results in rectangular form

Description : Explain full wave bridged rectifier with the help of circuit diagram and input output waveform.

Answer : 1. In positive half cycle (0 to Π): The end A of the secondary winding becomes positive and end B negative. This makes diode D1 and D4 forward biased while diode D2 and D3 are reverse biased. These two diodes will ... D2 and D3 when it is conducting is as follows.  B - D2 - RL - D3 - A

Description : A transformer operates 24 hours day at full -load. It's full -load efficiency is :  (A) equal all day efficiency (B) more than all -day efficiency (C) less than all -day efficiency (D) equal to maximum efficiency

Answer : A transformer operates 24 hours day at full -load. It's full -load efficiency is : equal all day efficiency

Description : Draw single phase full wave mid-point converter for inductive load. Draw input and output waveforms for it.

Description : State advantages of short pitch winding over full pitch winding in alternators.

Answer : Advantages of Short Pitch Winding over Full Pitch Winding in Alternators: 1) Short pitching reduces the amount of copper needed for end connection when compared with full pitched coil. 2) They ... reduced, thereby increasing the efficiency. 4) The power quality of generated emf is improved.

Description : Draw full bridge & half bridge configuration with common cathode.

Answer : Half Bridge Configuration: Full Bridge Configuration:

Description : Give the operation of single phase full wave bridge controlled converter with RL load with a neat diagram. Also draw its waveform.

Answer : Single phase fully control bridge converter with RL load: 1. During positive half cycle of input voltage, T1 and T2 are forward biased and during negative half cycle, T3 and T4 are forward biased. Therefore, T1-T2 ... cycle till the firing of next pair of SCRs as shown in the waveform.

Description : A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The proportion of full load at maximum efficiency is

Answer : A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The proportion of full load at maximum efficiency is 0.707

Description : A four -quadrant operation requires two full converters connected in  (1) Series (3) Back to back (2) Parallel (4) Series Cascade

Answer : A four-quadrant operation requires two full converters connected in Parallel

Description : The ratio of maximum displacement deviation to full scale deviation of the instrument is called?

Answer : The ratio of maximum displacement deviation to full scale deviation of the instrument is called linearity.

Answer : In a level compounded D.C. generator, full load terminal voltage is equal to no-load terminal voltage.

Answer : In over compounded generator, full load terminal voltage is more than no load terminal voltage.

Answer : If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens this will make armature to take heavy current, possibly burning it.

Answer : For the same H.P. rating and full load speed, following motor has poor starting torque differentially compounded.

Description : Describe the gate circuit for a single phase full converter.

Description : Why the power factor of semiconverter is better than full converter?

Answer : Power factor of semiconverter is better than full converter

Description : Explain three phase full wave controller.

Answer : Three phase full wave controller: Three phase full wave controller is also called as the three-phase bidirectional controller. Let the load is star connected so at each phase there are antiparallel connected SCRs. ... conduct at the same time and the third phase will be open.

Description : Explain the operation of full bridge converters with their different operating modes. State its advantages and disadvantages.

Answer : Full bridge converter: Full bridge converter provides isolation between input and output. Full bridge converter is used for step up or step down the input voltage. Full bridge converter consists of four power semiconductor ... Require filter on both input and output.

Description : single phase full converter

Answer : single phase full converter

Description :  Can we create a digital circuit that has as inputs the  3- bit digital words [2: 0] A, [2: 0] B and [2: 0] C and its output is  equal to      |C-A-B| . The circuit of the binary full adder is known.

Description :  What is the difference between the IEC and the IEEE standards requirement for transient recovery voltage?

Answer : Superconducting Magnetic Energy Storage.

Description : What is the full form of PDA? (1) Personal Digital Assistant (2) Personal Data Addition (3) Personal Digital Addition (4) Peripheral Digital Assistant

Description : What is the full form of ALU ? (1) Alternative Logic Unit (2) Arithmetic Logic Unit (3) Arithmetic Least Unit (4) Arithmetic Local Unit

Description : What is the full form of ‘AM’ regarding radio broadcasting? (1) Amplitude Movement (2) Anywhere Movement (3) Amplitude Matching (4) Amplitude Modulation

Description : What is the full form of "HDMI" port?

Answer : High definition multimedia interface

Description : State the role of ARAI and VRDE with their full form

Answer : ARAI :Automotive research Association Of India:- 1. ARAI is co-operative industrial research association by the automotive industry with the Ministry of Industries, Government of India. ... commercial vehicles and engines for design validation and performance evaluation including emission tests

Description : INTACH is known for its contribution for conservation of our cultural heritage. The full form of INTACH is (A) International Trust for Art and Cultural Heritage. (B) Intra-national Trust for ... Integrated Trust for Art and Cultural Heritage (D) Indian National Trust for Art and Cultural Heritage

Answer : (D) Indian National Trust for Art and Cultural Heritage

Description : Write the full form of IQ and EQ with its meaning.

Answer : Ans: IQ: Full Form: Intelligence Quotient Meaning: IQ stands for Intelligence Quotient that reveals the intelligence of the people. It tests the ability of people to solve rather than remember. ... stands for Emotional Quotient that tests the ability of a person to be emotionally stable.

Description : Full form of the infectious disease SARS is (1) Syndrome Associated with Respiratory Symptoms (2) Severe Acute Respiratory Syndrome (3) Severe Asthmatic Respiratory Syndrome (4) Syndrome Alarm on Respiratory System

Answer : Severe Acute Respiratory Syndrome

Description : Full form of CFL used in place of electric bulbs is (1) compact fluorescent lamp (2) constantan filament lamp (3) closed filament lamp (4) closed fluorescent lamp

Description : What will be the efficiency when the transformer operates at unity power factor and 60% of full load

Answer : What will be the efficiency when the transformer operates at unity power factor and 60% of full load 96.5%

Answer : Full wave rectified both time of positive and negative half cycle of ac.for thaat purpose two diodes are use.but in two diode case we have to use  centre trap transformer.to overcome on this disadvantage we use bridge rectifire having four diodes

Description : What is the value of form factor in connection with single phase alternating supply systems ? (A) 1.01 (B) 1.11 (C) 1.21 (0) 1.31

Answer : Three 3 ohm resistors are connected to form a triangle. 2 ohms is the resistance between any two of the corners.

Description : A galvanometer of resistance 40 ohms requires a current of 10mA to give a full-scale deflection. A shunt is put in position to convert it to a meter reading up to 1.0A full-scale ... across the bobbin and the meter, calculate the voltage which would produce full-scale deflection of the meter.

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