Electronics and Communication Engineering - Electronic Devices and Circuits

46.
Highest resistivity of the following is
nichrome
constantan
metal
manganin
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
Lowest noise can be expected in case of
carbon composition resistors
carbon film resistors
tin oxide resistors
metal film resistors
Answer: Option
Explanation:
No answer description is available. Let's discuss.

48.
For a BJT, under the saturation condition,
IC = βIB
IC = aIB
IC is independent of all other parameters
IC < βIB
Answer: Option
Explanation:
No answer description is available. Let's discuss.

49.
When a semiconductor bar is heated at one end, a voltage across the bar is developed. If the heated is positive the semiconductor is
P-type
n-type
intrinsic
highly degenerate
Answer: Option
Explanation:
No answer description is available. Let's discuss.