Why all voltage level are multiples of 11, like 220V, 440V,
1100V instead of 200V, 400V, 1000V?
Answer / satheesh kumar
the form factor(ratio of rms value to mean value of Ac for a period of 2π rad is 1.1. so all voltage levels are multiples of 11
| Is This Answer Correct ? | 9 Yes | 1 No |
Tell me what path does an asteroid take?
Explain refraction?
When is fluorescence strong?
Dear sir, I appeared for the interview for the post of SCIENTIST/ENGINEER 'SC'in ISRO on 02/12/2009. when the resluts will be announced??
Explain what is free fall acceleration?
Consider earth's equator is covered with a measuring tape touching the ground such both the ends touch each other. if the tape is lifted 1 meter from the ground, what would be the distance between two ends of tape?
What is the Condensation ?
If 2460 kj/kg of heat is addes to water at o C to produce wet steam at 1500 kpa, what is the dryness fraction?
What is a thermal transformation?
graph between frequency of photon and velocity of photo elrectron?
Why is it easier to lift a stone in water than in air ?
When a toy balloon is filled with air and then the air is allowed to go out, why dies the balloon whiz away ?