Answer Posted / fazul
In a.c system current and voltage are lag or lead according
to the inductance or capacitance.
but in d.c system current and voltages are inphase with each
other.so phase angle between current and voltage is zero.
we know p.f=cosO
p.f=1
Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?
what is booster? and how it is connected in a circuit?
What type of pipe material G.I or M.S is used for sprinkler system?
Can anyone explain me about the capacitor calculation
WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION
What is installed in PAC that is control the humidity
What is the HVDC Transmission System? What are the conditions applicable to lay an HVDC Line?
When are the directional relays used?
1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?
How grounding is different than earthings?
What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?
can u please mail me the syllabus for GET exam for damodar valley corporation?
WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA
What is real time power factor control panel(RTPFC)?
Use of switch mode power converter in real-time basis?