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what is the working principle of contactor and conditions of
normal open and normal close on it?
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How to connect the chemical earthing and complete process tell me plz
For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?
What is stepper motor. What is its uses?
Define delay time.
The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.
what is the isolation transformer. what is the isolator?
What are the two types of compensation?
percetans
who can measure the size of power cable?
is it necessary to earth the rmu before cutting off the transformer winding?if yes why?
I'm generating a pulse of 3V with frequency 80Hz (12.5ms time period) and pulse duration 0.125ms and feeding it to a transformer since i want the pulse to get amplified around 60V. At the output amplification s happening but the pulse is changed to a spike, can you tell me what could be the reason? (an ordinary transformer 220V-12V stepdown transformer is reverse connected ie. now it is 12V-220V stepup and voltage amplification happens)
What is electrical diversity factor in electrical installations?
2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........
In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?
What is nichols chart?
