Electronics and Communication Engineering - Electronic Devices and Circuits

16.
Resistivity of carbon is around
10 to 70 m-ohm-cm
80 to 130 m-ohm-cm
800 to 1300 m-ohm-cm
8000 to 13000 m-ohm-cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
Which of the following is anti-ferromagnetic material?
CrSb
NIO
MnO
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.

Assertion (A): The capacitance of a reverse biased pin diode is lower than that of reverse biased p-n diode.

Reason (R): A PIN diode has an intrinsic layer between p and n regions.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
In the saturation region of CE output characteristics of n-p-n transistor, VCE is about
0.5 V
15 V
- 0.5 V
- 15 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
In n channel JFET
ID and VDS are positive but VGS is negative
ID and VGS are positive but VDS is negative
VDS and VGS are positive but ID is negative
ID, VDS and VGS are all positive
Answer: Option
Explanation:
No answer description is available. Let's discuss.