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The ratio of reverse resistance and forward resistance of a germanium crystal diode is about:
- a)1 : 1
- b)100 : 1
- c)1000 : 1
- d)40.000 : 1
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The ratio of reverse resistance and forward resistance of a germanium ...
The ratio of reverse resistance and forward resistance of a germanium crystal diode is about 40,000:1.
The opposition offered by a diode to the forward current is known as forward resistance. The forward current flowing through a diode may be constant, i.e., direct current or changing i.e., alternating current.
The value of reverse resistance is very large as compared to forward resistance. The ratio of reverse to forward resistance is 1,00,000:1 for silicon diodes, whereas it is 40,000:1 for germanium diode.
The opposition offered by a diode to the forward current is known as forward resistance. The forward current flowing through a diode may be constant, i.e., direct current or changing i.e., alternating current.
The value of reverse resistance is very large as compared to forward resistance. The ratio of reverse to forward resistance is 1,00,000:1 for silicon diodes, whereas it is 40,000:1 for germanium diode.
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The ratio of reverse resistance and forward resistance of a germanium ...
Understanding Diode Resistance
Diodes are essential semiconductor devices, and their behavior can vary significantly based on the type of material used. For germanium diodes, the resistance characteristics are crucial for their operation.
Forward Resistance (RF)
- Forward resistance is the resistance offered by a diode when it is forward-biased.
- In this condition, the diode conducts current, and the resistance is relatively low.
- For germanium diodes, typical forward resistance values range from a few ohms to tens of ohms.
Reverse Resistance (RR)
- Reverse resistance is the resistance offered by a diode when it is reverse-biased.
- In this state, the diode does not conduct current, and the resistance is significantly higher.
- For germanium diodes, reverse resistance can reach thousands of ohms, often in the range of several megaohms.
Ratio of Reverse to Forward Resistance
- The ratio of reverse resistance to forward resistance for germanium diodes is notably high.
- It can be approximately 40,000:1, meaning that the reverse resistance is about 40,000 times greater than the forward resistance.
- This high ratio is primarily due to the diode's construction and the properties of germanium as a semiconductor.
Conclusion
- The correct answer to the question regarding the ratio of reverse to forward resistance in a germanium diode is option 'D' (40,000:1).
- Understanding this ratio is vital for applications involving diodes, as it affects their efficiency and performance in circuits.
Diodes are essential semiconductor devices, and their behavior can vary significantly based on the type of material used. For germanium diodes, the resistance characteristics are crucial for their operation.
Forward Resistance (RF)
- Forward resistance is the resistance offered by a diode when it is forward-biased.
- In this condition, the diode conducts current, and the resistance is relatively low.
- For germanium diodes, typical forward resistance values range from a few ohms to tens of ohms.
Reverse Resistance (RR)
- Reverse resistance is the resistance offered by a diode when it is reverse-biased.
- In this state, the diode does not conduct current, and the resistance is significantly higher.
- For germanium diodes, reverse resistance can reach thousands of ohms, often in the range of several megaohms.
Ratio of Reverse to Forward Resistance
- The ratio of reverse resistance to forward resistance for germanium diodes is notably high.
- It can be approximately 40,000:1, meaning that the reverse resistance is about 40,000 times greater than the forward resistance.
- This high ratio is primarily due to the diode's construction and the properties of germanium as a semiconductor.
Conclusion
- The correct answer to the question regarding the ratio of reverse to forward resistance in a germanium diode is option 'D' (40,000:1).
- Understanding this ratio is vital for applications involving diodes, as it affects their efficiency and performance in circuits.
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The ratio of reverse resistance and forward resistance of a germanium crystal diode is about:a)1 : 1b)100 : 1c)1000 : 1d)40.000 : 1Correct answer is option 'D'. Can you explain this answer? for RRB NTPC/ASM/CA/TA 2025 is part of RRB NTPC/ASM/CA/TA preparation. The Question and answers have been prepared according to the RRB NTPC/ASM/CA/TA exam syllabus. Information about The ratio of reverse resistance and forward resistance of a germanium crystal diode is about:a)1 : 1b)100 : 1c)1000 : 1d)40.000 : 1Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for RRB NTPC/ASM/CA/TA 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The ratio of reverse resistance and forward resistance of a germanium crystal diode is about:a)1 : 1b)100 : 1c)1000 : 1d)40.000 : 1Correct answer is option 'D'. Can you explain this answer?.
The ratio of reverse resistance and forward resistance of a germanium crystal diode is about:a)1 : 1b)100 : 1c)1000 : 1d)40.000 : 1Correct answer is option 'D'. Can you explain this answer? for RRB NTPC/ASM/CA/TA 2025 is part of RRB NTPC/ASM/CA/TA preparation. The Question and answers have been prepared according to the RRB NTPC/ASM/CA/TA exam syllabus. Information about The ratio of reverse resistance and forward resistance of a germanium crystal diode is about:a)1 : 1b)100 : 1c)1000 : 1d)40.000 : 1Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for RRB NTPC/ASM/CA/TA 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The ratio of reverse resistance and forward resistance of a germanium crystal diode is about:a)1 : 1b)100 : 1c)1000 : 1d)40.000 : 1Correct answer is option 'D'. Can you explain this answer?.
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