Dot or Scalar Product of Vectors Dot Product of two vectors A and B is defines as product of magnitude of the vectors and cosine of the angle between them. A•B = |A||B|CosT, Where T is the angle...
1. What are vitamins?Vitamins are organic compounds that are essential for growth and nutrition. They are required in small quantities in the food because they cannot be produced in the body.2. Classify...
Dc does not have any cycle and consists of positive and negative(like square waveform) polarity, and the frequency of DC supply is always zero because the time period is infinity. But, in case of AC,...
A fascinating story! Chemistry, as we know it today, has its roots in ancient civilizations, with contributions from philosophers, alchemists, and scientists over thousands of years. Here's a brief overview: Ancient...
The term "cell" was coined by Robert Hooke, an English natural philosopher and polymath, in 1665. Hooke was one of the first scientists to study living organisms using a microscope. Why "Cell"?Hooke observed...