Piezoelectric materials serve as a source of:-
A. Microwaves B. Ultrasonic waves
C. Musical waves D. Resonant waves
Answer Posted / rajesh kumar
B. Ultrasonic wave
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially
What is the lockout relay
when it is possible kvrah lead & fundamental kwh be equal in electonic trivector meters (3 ph)
in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.
what is the working principle of energy saver control panel. please give the complete calculation & theory.
how can i improve the power factor in domestic (230v)
What is the range of the stator resistance of 3 phase induction motor?
Why syn. Generators are used for the production of electricity?
What is the difference between earthing,ground&nutral?
if voltage bt phase & nutral is 38v in a panel board . whats the root cause.
how we can calculate 2 phase welding transformer rating or total power?
operation of protection relay watchdog contact?
size of condotory fron voltage level
how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw
How to calculate the phase to phase clearness of HT /// LT bus bar?????