Question
Write the mathematical relation between mobility and drift velocity of charge carriers in a conductor. Name the mobile charge carriers responsible for conduction of electric current in (i) an electrolyte (ii) an ionised gas.
✓
Answer
- $\mu=\frac{V_{d}}{E}$
- .
- Ions/Positive and negative ions.
- Electrons/Positive ions/Electrons and positive ions.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What conclusion can you draw from the following observations on a resistor made of alloy manganin?
|
Current A
|
Voltage V
|
Current A
|
Voltage V
|
|
0.2
0.4
0.6
0.8
1.0
2.0
|
3.94
7.87
11.8
15.7
19.7
39.4
|
3.0
4.0
5.0
6.0
7.0
8.0
|
59.2
78.8
98.6
118.5
138.2
158.0
|
The wavelength of light in a medium is $\lambda=\frac{\lambda_0}{\mu},$ where $\lambda$ is the wavelength in vacuum. A beam of red light $(\lambda_0=720\text{nm})$ enters into water. The wavelength in water is $\lambda=\frac{\lambda_0}{\mu}=540\text{nm}.$ To a person under water does this light appear green?
→What is refraction of light? Explain law of refraction.
Find the fundamental, first overtone and second overtone frequencies of an open organ pipe of length 20cm. Speed of sound in air is 340m/s.
What are the readings of the ammeters $A_1$ and $A_2$ shown in figure. Neglect the resistance of the meters.
→Draw typical output characteristics of an n-p-n transistor in CE configuration. Show how these characteristics can be used to determine output resistance.
If a constant potential difference is applied across a bulb, the current slightly decreases as time passes and then becomes constant. Explain.
A wire, carrying a current i, is kept in the x−y plane along the curve $\text{y}=\text{A}\sin\Big(\frac{2\pi}{\lambda}\text{x}\Big).$ A magnetic field B exists in the z direction. Find the magnitude of the magnetic force on the portion of the wire between $\text{x}=0$ and $\text{x}=\lambda.$
→Can the potential difference across a battery be greater than its emf?
An equilateral glass prism has a refractive index 1.6 in air. Calculate the angle of minimum deviation of the prism, when kept in a medium of refractive index $\frac{4\sqrt2}{5}.$
→