9N
18N
20N
200N
Correct answer is D
No explanation has been provided for this answer.
The average distance moved by a molecule between collisions is called ...
Energy losses through eddy currents are reduced by using ...
The total area under a force-velocity graph represents ...
A simple cell with mercury-amalgamated zinc electrode prevents ...
The capacitance of parallel plates capacitors varies ...
The most suitable instrument for measuring the diameter of a thin wire is a ...