IndiaBIX

Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 16
6.
In a bipolar transistor, the base collector junction has
forward bias
reverse bias
zero bias
zero or forward bias
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased
the number of free electrons increases
the number of free electrons increases but the number of holes decreases
the number of free electrons and holes increase by the same amount
the number of free electrons and holes increase but not by the same amount
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
What is the necessary a.c. input power from the transformer secondary used in a half wave rectifier to deliver 500 W of d.c. power to the load?
1232 W
848 W
616 W
308 W
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In a semi-conductor diode, the barrier offers opposition to
holes in P-region only
free electrons in N-region only
majority carriers in both regions
majority as well as minority carriers in both regions
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
In a half wave rectifier, the load current flows
only for the positive half cycle of the input signal
only for the negative half cycle of the input signal
for full cycle
for less than fourth cycle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers