The effective resistance of a circuit containing resistances in a parallel connection is: A. equal to the sum of individual resistances B. smaller than any of the individual resistances C. greater than any of the individual resistances D. sometimes greater and sometimes smaller than the individual resistances

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?