What is 10% law?

What is 10% Equals to

Who proposed the 10% law?

Briefly explain the 10% law of energy transfer in an ecosystem.

What is the colour coding of strips on the carbon resistor of resitor 200 Omega +-10% ?

What is the temperature of the source in Carnot cycle of 10% efficiency when heat exhaussts at 270 K

It is known that 10% of certain articles manufactured are defective. What is the probability that in a random sample of 12 such articles, 9 are defective?