Which of the following is a non-renewable energy source?<...
Which of the following is a non-renewable energy source?
Coal
Hydro
Ocean waves
Solar
Tides
Correct answer is A
Most non-renewable energy sources are fossil fuels: coal, petroleum, and natural gas
An alternating current with a frequency of 100HZ has a period of ...
The resistance of a 40W car head lamp, drawing current from a 12V battery is ____. ...
Which of the following is not a part of the electro-magnetic spectrum? ...
What happens to a water pool on a day when the humidity of the air is very low? ...
Which of the following processes is not a surface phenomenon? ...
A vapour whose molecules are in dynamic equilibrium with those of its own liquid is said to be ...
The relationship between the period T and the length l of a simple pendulum is T = 2\( \pi...