The pair of physical quantities that are scalar only are ...
The pair of physical quantities that are scalar only are ?
volume and area
moment and momentum
length and displacement
Impulse and time
Correct answer is A
This is because volume and the area have only magnitude but no direction
The correct position for a fuse in the diagram above is ...
which of the following materials is a conductor? ...
Using the data in the circuit illustrated above, calculate the value of R ...
Which of the following instruments can be used to measure current in an a.c circuit? ...
In which of the following diagrams is the length of the tube equal to one wavelength? ...