Electronics and Communication Engineering - Electronic Devices and Circuits

46. 

The main purpose of using transformer coupling in a class A amplifier is to make it more

A. efficient
B. less costly
C. less bulky
D. distortion free

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

47. 

The effective channel length of a MOSFET in saturation decreases with increase in

A. gate voltage
B. drain voltage
C. source voltage
D. body voltage

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

48. 

Which of the following element does not have three valence electrons?

A. Boron
B. Aluminium
C. Gallium
D. Phosphorus

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

49. 

Which of the following is used in the sterilization of water?

A. Hydrogen bromide
B. Oxygen
C. Ozone
D. Caustic potash

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

50. 

Electrons within a metal have energy levels from zero to Fermi level EF.

A. True
B. False

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

« Prev   1 2 3 4 5 6 7 8 9 10