Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...

what is the frequency of direct current(dc)?

direct current(pure) does not change with time, so we can't
define a particular value of time period for the d.c quantity.
(That is, it does not change up to infinite amount of time)
As we know that frequency is the reciprocal of time period,
frequency of d.c will be ( 1/ infinite ) = 0

 Is This Answer Correct ? 17 Yes 2 No

What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

1121

what is ratio of copper wire size and current ?

992

In a simple spur gear train, gears with 24, 48, 32, 72 and 96 teeth are in sequence. The gear with 24 teeth runs at 900 rpm. The speed in rpm of gear with 72 teeth is

333

What the main causes of transient interruptions on Over-Head Distribution Lines?

1199

How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

1289

What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

1208

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

2791

How to know the Max. current caring capacity of the cable by its size ?

799

in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

1282

how can maintaince the acb contactor moveing and fixing kit

1177

Explain bypass capacitor?

254

1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

847

I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

1471

HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

1159

What is the working principle of servo motor? And explain it.

985