Hi,
im currently planning to use PIC 16F877A for implementing smart metering. since I am also learnig .NET, i want to use laptop as my display unit. I also bought a RS232 USB-Converter. But,i don know how will the laptop recognize signal from MC and transmit data to microcontroller?? :frown...
How does a person die immediately after taking cyanide??
ordinary poison takes sometim to kill a person but cyanide(CN) kills spontaneously., wats d reaction happening?? is der any such highly dangerous chemical other than acids.,?
How power imported or exported using grids between two or more state??
there is a single grid system throughout the country.. if one state has more power it supplies others through a grid., if the same state is deficient of power it gets power from others by SAME GRID., how is this possible...
how frequency play vital role in AC??
AC has certain frequency set for it., in India 50hz and in America 60hz is kept as standard frequency.., y is that kept so?? is it possible to keep frequency value higher than this??
i experimented with electricity in my childhood., was curious to know how it would feel like., inserted a metal wire in plug-point and switchd on power.,:redface: i gt shock of more intensity and smehow repelled away.., if it was DC that would had been my last day..,! :):cool:
Why does a 3-phase current named as R,Y,B??
A 3-phase current is normally called as R-Red, Y-Yellow, B-Blue,. y is it termed so? is there any specific reason?? we can't see any colour difference in transmission wires also!
Why DC is said to be more dangerous than AC??
For example, consider a 230V DC and 230V AC.., it is said DC voltage is highly dangerous than AC.., Why is it said so?? how much quantity of AC and DC can our body bear and remain harmless??:confused:
why do we call a zero watts bulb as it so??
a zero watts bulb is common in houses,commonly called as 'night lamp'.., if v say it as zero watts lamp., then is it conducts zero current or zero voltage?
what is the power consumption by modern led lamps and by other fluorescent lamps??
why do we get SHOCK if we touch current??
when current pass through our body we get feeling of shock., why it happen?? person may turn black or die if exposed to high volt shock for long time?? why it hapens?:rolleyes: