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Topic :: Voltage
The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?
1 3514Why current leads the voltage in case of capacitor load? Why voltage leads the current in case of inductive load? Why both are with in phase in case of restive load?
TATA,
3 6995In a overhead system why the voltage between line &ground is taken for basic comparison ?and in case of underground cables the comparison take only by the voltage between cables?
L&T,
1 4012the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?
2 7832the 230 value of voltage which is use in our home . is that value is rms, aerage or peack value of voltage?
L&T,
5 9015open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?
1 3001How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?
2425In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.
2 4243why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?
2145
How does a Bandgap Voltage reference work?
How about voltage source?
How do you size NMOS and PMOS transistors to increase the threshold voltage?
Explain the basic circuits for a current- and voltage- clamp set-up.
What types of I/O have you designed? What were their size? Speed? Configuration? Voltage requirements?
I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.
iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.
how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.
can we calculate the voltage level for microwave energy which is using for our mobile communication?
Is it possible to calculate a voltage for microwave energy generating in oven? Is there any formula relating frequency and voltage and it should be independent of speed?
Formulae for calculating the transmission line losses for different voltage levels
Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?
What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage
What is the difference between Static and servo controlled voltage stablizer?
What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?
