It is defined as the angle between resultant current and voltage in AC circuit. it is represented by COS PHI In case of a pure resistor, the angle between the voltage and current is equal to zero hence...
The water is, in fact, not colourless. Even pure water has a slight blue tint to it, best seen when looking through a long column of water. In detail, the absorption of light in water is due to the way...
When I was in class Xi , I wonder seeing a doctor.It seems almost impossible.Its been five years from then ,I'm a final year MBBS student at CMC ,oldest medical College in whole Asia . It took me 2 years...