1
GATE ECE 1987
MCQ (More than One Correct Answer)
+2
-0.6
In an intrinsic semiconductor the free electron concentration depends on
A
Effective mass of electrons only.
B
Effective mass of holes only.
C
Temperature of the Semiconductor.
D
Width of the forbidden energy band of the semiconductor.
2
GATE ECE 1987
MCQ (Single Correct Answer)
+2
-0.6
The diffusion capacitance of a P-N junction
A
Decreases with increasing current and increasing temperature
B
Decreases with decreasing current and increasing temperature
C
Increases with increasing current and increasing temperature
D
Does not depend on current and temperature
3
GATE ECE 1987
Fill in the Blanks
+2
-0

A square waveform as shown in the figure is applied across 1 mH ideal inductor.The current through the inductor is a triangular wave of ................. peak amplitude.

GATE ECE 1987 Network Theory - Network Elements Question 26 English
4
GATE ECE 1987
Subjective
+8
-0
The impedance function of a parallel $$R$$, $$L$$, $$C$$ circuit has poles located at $$ - 3 \pm j4$$ rad/sec. If the value of $$L = 1H$$, determine the following:

(a) the values of $$R$$ and $$C$$
(b) the quality factor of the circuit

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