1
GATE ECE 2008
MCQ (Single Correct Answer)
+1
-0.3
In the following limiter circuit, an input voltage $${\mathrm V}_\mathrm i\;=\;10\sin\left(100\mathrm{Ï€t}\right)$$ applied. Assume
that the diode drop is 0.7V when it is forward biased. The Zener breakdown
voltage is 6.8V.

The maximum and minimum values of the output voltage respectively are
2
GATE ECE 2008
MCQ (Single Correct Answer)
+1
-0.3
Which of the following is NOT associated with a P-N junction?
3
GATE ECE 2007
MCQ (Single Correct Answer)
+1
-0.3
In a p+n junction diode under reverse bias, the magnitude of electric field is
maximum at
4
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
In the figure, a silicon diode is carrying a constant current of 1 mA. When the
temperature of the diode is 20°C, VD is found to be 700 mV. If the temperature
rises to 40°C, VD becomes approximately equal to


GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics