If the unit of length and force be increased four times, then the unit of energy is
Increased $4$ times
Increased $8$ times
Increased $16$ times
Decreased $16$ times
Which of the following system of units is not based on units of mass, length and time alone
A suitable unit for gravitational constant is
The unit of self inductance of a coil is
Why length, mass and time are chosen as base quantities in mechanics ?