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Which of the following statements relate to the Hall effect?
1. A potential difference is developed across a currentcarrying metal strip when the strip is placed in a transverse magnetic field.
2. The Hall effect is very weak in metals but is large in semiconductors.
3. The Hall effect is very weak in semiconductors but large in metals.
4. It is applied in the measurement of the magnetic field intensity.
Select the correct answer using the codes given below:
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- 1, 2 and 3
- 2 and 4
- 1, 3 and 4
- 1, 2 and 4
Correct Option: D
In Hall effect—
* A potential difference is developed across a current carrying metal strip when the strip is placed in a transverse magnetic field.
* Hall effect is very weak in metals, but is large in semiconductors.
* It is applied in the measurement of the magnetic field intensity.
