why dc power can not be used in transformer?

Answer Posted / malghani

ac power suply cause indused emf and flux due to magnatic
induction.but in dc case there is no cut off magnatic line
and no flux perodused.so we use AC power supply.

Is This Answer Correct ?    11 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

whats the differece between Exd and Exe

4276


we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

1484


If short circuit ratio is high is it bad or good for a machine then tell the reason...

1588


If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

925


How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2331






What is the difference between rulling span and wind span of of an Over Head Transmission Line?

1832


difine electrical ballast in HPSVL

1554


Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

1603


i have a 1500kVA transformer what is the kWH meter i need to use?

1189


On what principle electric motor works?

672


what is the safety points of vaccum circuit breaker.

1626


plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in

1641


how to introduce yourself

1575


what is difference between speed mode and torque mode in motor?? explain in simple words please.

1142


What are the electrical engineer roles and responsibilities in chemical plant?

1122