Which of the following represents a volt :

1. Joule/second

2. Watt/Ampere

3. Watt/Coulomb

4. Coulomb/Joule

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

The unit of specific resistance is 

1. Ohm / cm²

2. Ohm / cm

3. Ohm - cm

4. (Ohm - cm)^-1

Parsec is a unit of :

1. Distance

2. Velocity

3. Time

4. Angle

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:

Curie is a unit of 

1. Energy of $\gamma$-rays

2. Half life

3. Radioactivity

4. Intensity of $\gamma$-rays

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