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

if earthing is used in place of neutral how the circuit completd.

7 Answers   Epitome,

Generator protection &generator test

1 Answers  

What is difference between AC and DC resistance

9 Answers   Eaton,

How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

0 Answers  

how to decide the rating of the ct for 1500 kva transformer

1 Answers  

how does the harmonics enter into the induction motors?

1 Answers  

why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer

2 Answers   Bell, TCS,

what are types of encoder

0 Answers  

Enlists the applications of sampled data systems?

0 Answers  

What does OHB stand for in specifications for circuit breakers, especially found in SF6 circuit breaker?

1 Answers  

what is the harmonics? which harmonics(fundamental and reference) is suitable for calculating capacitor bank and Active filter and passive filter? what is the 1st 2nd 3rd 4th 5th harmonics and effects?

1 Answers  

What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

0 Answers   Emerson,