If \(u_1\) and \(u_2\) are the units selected in two systems of measurement and \(n_1\) and \(n_2\) are their numerical values, then:

If the unit of length and force be increased four times, then the unit of energy is 

1. Increased 4 times

2. Increased 8 times

3. Increased 16 times

4. Decreased 16 times

Parsec is a unit of :

1. Distance

2. Velocity

3. Time

4. Angle

In which of the following systems of the unit, Weber is the unit of magnetic flux?

1. CGS

2. MKS

3. SI

4. None of these

$Kilowatt-hour$ is a unit of 

1. Electrical charge

2. Energy

3. Power

4. Force

Tesla is a unit for measuring 

1. Magnetic moment

2. Magnetic induction & Intensity

3. Magnetic field lines

4. Magnetic pole strength

The binding energy of a nucleon in a nucleus is of the order of a few 

1. eV

2. Ergs

3. MeV

4. Volts

Ampere - hour is a unit of 

1. Quantity of electricity

2. Strength of electric current

3. Power

4. Energy

The unit of specific resistance is 

1. Ohm / cm²

2. Ohm / cm

3. Ohm - cm

4. (Ohm - cm)^-1