The velocity of a particle depends upon as $v=a+bt+c{t}^2$; if the velocity is in $m/\sec$, the unit of a will be 

1. $m/\sec$

2. $m/{\sec }^2$

3. $m^2/\sec$

4. $m/{\sec }^3$

One million electron volt $\left(1MeV\right)$ is equal to 

1. ${10}^{5}eV$

2. ${10}^{6}eV$

3. ${10}^{4}eV$

4. ${10}^{7}eV$

$Erg-m^{-1}$ can be the unit of measure for 

1. Force

2. Momentum

3. Power

4. Acceleration

Which of the following represents a volt :

1. Joule/second

2. Watt/Ampere

3. Watt/Coulomb

4. Coulomb/Joule

$Kilowatt-hour$ is a unit of 

1. Electrical charge

2. Energy

3. Power

4. Force

What is the SI unit of permeability?                                               [Only for Droppers]

1. Henry per metre

2. Tesla metre per ampere

3. Weber per ampere metre

4. All the above

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

Tesla is a unit for measuring 

1. Magnetic moment

2. Magnetic induction & Intensity

3. Magnetic field lines

4. Magnetic pole strength

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

Ampere - hour is a unit of 

1. Quantity of electricity

2. Strength of electric current

3. Power

4. Energy