explain harmonics in simple words..........

Answer Posted / sharif enam

when a aperiodic signal is Fourier transformed we get many
sinusoid-es of different frequencies.They are called
harmonics. The frequencies which matches with the original
signal frequency is called first harmonic or fundamental.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the stear deltaprinceple?

1396


Dear all, how we select the cable size according  to current with or without including different correction factor , is there any direct method for sizing of cable... 

1696


sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence

1636


Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1024


State angle criterion.

650






what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

2750


how the speed of the gets motor regulated. does it draw the same current on the all speed level.

1448


Any Electrical Engineering jobs?Please refer for interviews. Thank you

1409


whether fibre optic cable in high voltage earth conductor is used for protection circuits

1164


How many sprinklers should be in one pipe line?

1414


How to Preparation of online test

1068


Enlist four components of electrive drives.

1420


Define availability (operational)?

644


Difference between low impedance and high impedance Restricted Earth Fault

2618


oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

1564