What is difference between Electrical & Electronic Device?
Answer Posted / pradeep0256
Major difference is... In electronics we use high frequency signals and low current ratings but in electrical we will use low frequency and high currents.this is upto my knowledge...
| Is This Answer Correct ? | 18 Yes | 2 No |
Post New Answer View All Answers
Why the cores of large transformers build up of circular cross section?
A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?
What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?
what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead???
what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that
What does the a,b,c of 95a,95b,95c relays denotes?
Could you measure voltage in series?
what's the simultenous maximum demand (SMD)..what the diffrent MD and SMD?
IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?
Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?
Transmission through a short line depends on
Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm
I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.
sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company