Semiconductor Diode Mcqs
Q.1: The reverse current in a diode is of the order of _____________?@
A. kA
B. mA
C. A
D. A
Q.2: The leakage current in a crystal diode is due to _________________?C
A. minority carriers
B. majority carriers
C. junction capacitance
D. none of the above
Q.3: The PIV rating of a crystal diode is _______________ that of equivalent vacuum diodeT
A. the same as
B. lower than
C. more than
D. none of the above
Q.4: When the graph between current through and voltage across a device is a straight line, the device is referred to as _______________?
A. linear
B. active
C. nonlinear
D. passive
Q.5: A crystal diode is a ________________device?,
A. non-linear
B. bilateral
C. linear
D. none of the above
Q.6: If the doping level in a crystal diode is increased, the width of depletion layer_____________?_
A. remains the same
B. is decreased
C. in increased
D. none of the above
Q.7: A crystal diode has______________?"
A. one pn junction
B. two pn junctions
C. three pn junctions
D. none of the above
Q.8: The forward voltage drop across a silicon diode is about _______________?I
A. 2.5 V
B. 3 V
C. 10 V
D. 0.7 V
Q.9: The d.c. resistance of a crystal diode is ______________ its a.c. resistance?M
A. the same as
B. more than
C. less than
D. none of the above
Q.10: If the arrow of crystal diode symbol is positive w.r.t. bar, then diode is _____________biased?_
A. forward
B. reverse
C. either forward or reverse
D. none of the above

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