Physics Assignment 3 Solutions

Assignment 3

Click on the answer links for answers of the questions.

1. Write assumptions of free electron theory of metals & how using free
electron theory Ohm's law can be deduced.

2. What do you mean by Hall effect and Hall coefficient? What is the physical
significance of Hall effect?

3. Write short note on working principle and V-I characteristics of (i) P-N
junction diode (ii) Zener diode.

4. Write short note on working principle and V-I characteristics of solar cell &
what are its applications?

5. Distinguish Intrinsic and Extrinsic semiconductors with their properties
and what are the features of N-type and P-type semiconductors.

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