Answer / sushil sharma

ac current changes its direction and magnitude while dc
current is unidirectional and remains steady in magnitude.

Answer / abid ali khattak

AC: means in electrical terminology (Alternating current.
its change its direction continueslly.
DC: means in electrical terminology (Direct current). its
doesn't change its direction.

Answer / koppu chowdaiah

ac means alternating current.It's magnitude is varying with time.In dc the magnitude is constant.ac has frequency but dc does not have frequency.

Answer / ibrahim

frequency,
i ac frequency exist
in dc frequency does not exist
this is the major diff between ac &dc

Answer / pawan

we can store electrical energy in terms of D.C,
but not store in terms of A.C

in 220 kv substation,what is the mean of avr voltage reading? means at oltc temp. 36 the avr voltage was 109v.so what the mean of 109v

1 Answers  

What is negative phase sequence?

7 Answers   Hindalco, Universal Associate,

which sub is most horrible in four yr degree

2 Answers  

What is VCB'S @ ACB'S.Plz explain Briefly

2 Answers  

what will happen if i will done heart shape hole in transformer core?

1 Answers   Bhel, ONGC,

Is Indian railway uses 25000v ac or dc?

7 Answers  

What is the difference between power,voltage,current? and with example

3 Answers  

what is different between relay and plc?

3 Answers  

What is the diffrece between CAPACITOR BANK & CAPACITOR OF MOTOR?

4 Answers  

how to define that what is resister ,capacitor& inductor.

1 Answers  

The unit of quantity of electricity is the:(a) volt(b) coulomb(c) ohm(d) joule

1 Answers  

A two-terminal variable resistor is known as a

1 Answers