Q25.In the circuit shown below, is working as a 8 V dc regulated voltage source. When 12 V is used as an input, the power dissipated (in mW ) in each diode is (Considering both zener diodes are identical)
What This Question Tests
This problem requires analyzing a Zener diode voltage regulator circuit, identifying how the diodes operate and then calculating the power dissipated in each Zener diode under specific input voltage conditions.
Concepts Tested
Formulas Used
P = VI
Kirchhoff's Voltage Law
Ohm's Law
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14.1 In an n-type silicon, which of the following statement is true: (a) Electrons are majority carriers and trivalent atoms are the dopants. (b) Electrons are minority carriers and pentavalent atoms are the dopants. (c) Holes are minority carriers and pentavalent atoms are the dopants. (d) Holes are majority carriers and trivalent atoms are the dopants.
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📋 Question Details
- Chapter
- Semiconductor
- Topic
- Zener Diode
- Year
- 2020
- Shift
- 09 Jan Shift 2
- Q Number
- Q25
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 14: Semiconductor
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