1
GATE ECE 2013
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown below, the knee current of the ideal Zener diode is 10 mA. To
maintain 5V across RL, the minimum value of RL
in Ω and the minimum power
rating of the Zener diode in mW, respectively, are
2
GATE ECE 2009
MCQ (Single Correct Answer)
+2
-0.6
In the circuit below, the diode is ideal. The voltage V is given by
3
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
A P+-N junction has a built-in potential of 0.8 V. The depletion layer width at a
reverse bias of 1.2V is 2 µm. For a reverse bias of 7.2 V, the depletion layer
width will be:
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
The Zener diode in the regulator circuit shown in figure has a Zener voltage of
5.8 Volts and a Zener knee current of 0.5 mA. The maximum load current drawn
from this circuit ensuring proper functioning over the input voltage range
between 20 and 30 Volts, is
GATE ECE Subjects
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Control Systems
Engineering Mathematics
Analog Circuits
Network Theory
Electromagnetics
Electronic Devices and VLSI
Digital Circuits
Microprocessors
Signals and Systems
Representation of Continuous Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous
Communications
General Aptitude