Question
Physics Question on Semiconductor electronics: materials, devices and simple circuits
Which of the following statements are correct?
(A) The resistivity of a semiconductor decreases with increasing temperature.
(B) The potentiometer is unaffected by the internal resistance of the source.
(C) In ionic crystals and electrolytic liquids electrons carry the electric current.
(D) Ohm's law fails if V depends on I non-linearly.
(E) Kirchhoff's rules are used for analysis of electric circuits.
Choose the correct answer from the options given below:
A
(B), (C) and (E) only
B
(A), (B), (D) and (E) only
C
(C), (D) and (E) only
D
(A), (C) and (D) only
Answer
(A), (B), (D) and (E) only
Explanation
Solution
The correct option is (B): (A), (B), (D) and (E) only