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
efficient
less costly
less bulky
distortion free
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
The effective channel length of a MOSFET in saturation decreases with increase in
gate voltage
drain voltage
source voltage
body voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.

48.
Which of the following element does not have three valence electrons?
Boron
Aluminium
Gallium
Phosphorus
Answer: Option
Explanation:
No answer description is available. Let's discuss.

49.
Which of the following is used in the sterilization of water?
Hydrogen bromide
Oxygen
Ozone
Caustic potash
Answer: Option
Explanation:
No answer description is available. Let's discuss.

50.
Electrons within a metal have energy levels from zero to Fermi level EF.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.