Characteristic Curves of a Zener Diode and Finding Reverse Break Down Voltage NEET Questions

Physics - Experimental Skills

Characteristic Curves of a Zener Diode and Finding Reverse Break Down Voltage MCQ Questions


13.
The Zener breakdown voltage typically ranges from:
A.
0V to 0.3V
B.
0.3V to 0.7V
C.
1V to 100V
D.
Above 200V
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ANSWER :
C. 1V to 100V
14.
A Zener diode is heavily doped to:
A.
Reduce breakdown voltage
B.
Increase forward voltage drop
C.
Increase resistance
D.
Stop current flow
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ANSWER :
A. Reduce breakdown voltage
15.
The reverse breakdown voltage of a Zener diode is measured by:
A.
Applying forward bias
B.
Applying reverse bias and noting voltage at which current rises sharply
C.
Measuring current at low voltage
D.
Using a voltmeter in forward bias
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ANSWER :
B. Applying reverse bias and noting voltage at which current rises sharply
16.
If a Zener diode with a breakdown voltage of 5.6V is used in a voltage regulator, the output voltage will be:
A.
0V
B.
5.6V
C.
10V
D.
20V
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ANSWER :
B. 5.6V
17.
In the Zener diode’s characteristic curve, the sharp increase in current in reverse bias indicates:
A.
Normal diode behavior
B.
Breakdown region
C.
Forward conduction
D.
Saturation region
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ANSWER :
B. Breakdown region
18.
The current through a Zener diode in breakdown region is:
A.
Decreasing
B.
Constant
C.
Increasing
D.
Zero
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ANSWER :
C. Increasing