Hertz is the unit of

1. Frequency

2. Force

3. Electric charge

4. Magnetic flux

One pico Farad is equal to

1. ${10}^{-24}F$

2. ${10}^{-18}F$

3. ${10}^{-12}F$

4. ${10}^{-6}F$

In SI, Henry is the unit of 

1. Self inductance

2. Mutual inductance

3. (1) and (2) both

4. None of the above

The unit of $e.m.f.$ is 

1. Joule

2. Joule-Coulomb

3. Volt–Coulomb

4. Joule/Coulomb

Unit of self inductance is [This question includes concepts from 12th syllabus]

1. $\frac{Newton-\sec ond}{Coulomb\times Ampere}$

2. $\frac{Joule/Coulomb\times Second}{Ampere}$

3. $\frac{Volt\times metre}{Coulomb}$

4. $\frac{Newton\times metre}{Ampere}$

To determine Young's modulus of a wire, the formula is $Y=\frac{F}{A}\times \frac{L}{\Delta L};$ where L = length, A = area of cross-section of the wire, $\Delta L=$change in length of the wire when stretched with a force F. The conversion factor to change it from CGS to MKS system is

1. 1

2. 10

3. 0.1

4. 0.01

Young's modulus of a material has the same units as

1. Pressure

2. Strain

3. Compressibility

4. Force

One yard in SI units is equal :

1. 1.9144 metre

2. 0.9144 metre

3. 0.09144 kilometre

4. 1.0936 kilometre

Which of the following is the smallest unit?

1. Millimetre

2. Angstrom

3. Fermi

4. Metre

Which one of the following pairs of quantities and their units is a proper match?

1. Electric field – $Coulomb/m$

2. Magnetic flux – $Weber$

3. Power – Farad

4. Capacitance – Henry