IndiaBIX

Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 11
21.
In n channel JFET, the gate voltage is made more negative
the channel width will increase
the channel width will decrease
the channel width and drain current will decrease
the channel width will decrease and drain current will increase
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Metals approach superconductivity conditions
near absolute zero temperature
near critical temperature
at triple point
under the conditions of high temperature and pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The phenomenon known as "Early effect" in a BJT refers to a reduction of the effective base width caused by
electron-hole recombination at the base
reverse biasing of the base collector junction
forward biasing of emitter base junction
the early removal of stored base charge during saturation to cut off switching
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
At absolute zero temperature a semiconductor behaves like
an insulator
a super conductor
a good conductor
a variable resistor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
In a 741 OP-amp, there is 20 dB/decade fall-off starting at a relatively low frequency. This is due to
applied load
internal compensation
impedance of the source
power dissipation in the chip
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers