Which of the following concepts is a method of heat trans...
Which of the following concepts is a method of heat transfer that does not require a material medium?
Conduction
Diffusion
Convection
Radiation
Correct answer is D
Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials.
Light, radio, and microwaves are good examples
A freshly demagnetized bar magnet is placed in the East-West direction to ensure that ...
Which of the following instruments can be used to measure current in an a.c circuit? ...
Which of the following is an example of a couple? ...