Q28.In the given circuit the current through Zener Diode is close to: (1) 0.0 mA (2) 6.7 mA (3) 4.0 mA (4) 6.0 mA
What This Question Tests
This question tests the understanding of Zener diode behavior in a voltage regulator circuit, requiring a check if the Zener is in breakdown region before calculating currents.
Concepts Tested
Formulas Used
V = IR
I_total = I_zener + I_load
📚 NCERT Sections This Tests
3.2 — A Battery Of Emf 10 V And Internal Resistance 3 Ω Is Connected To A
Physics Class 11 · Chapter 3
3.2 A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor. If the current in the circuit is 0.5 A, what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?
14.2 — Which Of The Statements Given In Exercise 14.1 Is True For P-Type
Physics Class 12 · Chapter 14
14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.
3.1 — The Storage Battery Of A Car Has An Emf Of 12 V. If The Internal
Physics Class 11 · Chapter 3
3.1 The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is 0.4 Ω, what is the maximum current that can be drawn from the battery?
📋 Question Details
- Chapter
- Semiconductor
- Topic
- Zener Diode as Voltage Regulator
- Year
- 2019
- Shift
- 11 Jan Shift 1
- Q Number
- Q28
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 14: Semiconductor
More from this Chapter
Q74.At absolute zero, Si acts as (1) non metal (2) metal (3) insulator (4) none of these
Q75.The energy band gap is maximum in (1) metals (2) superconductors (3) insulators (4) semiconductors
Q76.The part of a transistor which is most heavily doped to produce large number of majority carriers is (1) emmiter (2) base (3) collector (4) can be any of the above three
Q46.A strip of copper and another of germanium are cooled from room temperature to 80 K. The resistance of (1) each of these decreases (2) copper strip increases and that of germanium decreases (3) copper strip decreases and that of germanium (4) each of these increases increases