Piezoelectric materials serve as a source of:-
A. Microwaves B. Ultrasonic waves
C. Musical waves D. Resonant waves
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how to control dc motor?
what is transformer tap change HT side and LT side
why we used servo motor insted of inducation motor?
why we use circuit breakers for switching instead of normal switching device?
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Starting Time of LT & HT Motor
what is the purpose of %impedance for transformer
WHAT HAPPENING TO TRANSFORMER???? i have the step down transformer rating 230/12v, power rating something.,,, ok. suppose iam giving 12v to secondary side,what will happen on primary side.,,,
Why is the diffrential protection in DG. What if the CT polarity is reversed while connecting for the same type of protection? How polarity can be made ok?
What are the uses of lead compensator?
what are the sample questions asking to the test cunducting for electrical superwising lisence test?
what is servomechanism?