Class 8 Exam > Class 8 Questions > In LED, the shorter lead is attached to ____ ...
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In LED, the shorter lead is attached to ____ terminal and longer lead is attached to the ____ terminal.
- a)positive, negative
- b)negative , positive
- c)any of the (a) or (b)
- d)none of these
Correct answer is option 'B'. Can you explain this answer?
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In LED, the shorter lead is attached to ____ terminal and longer lead ...
Understanding LED Leads
LEDs, or Light Emitting Diodes, have two leads that indicate their polarity, which is crucial for proper operation.
Lead Lengths and Their Significance
- The **shorter lead** of an LED is typically the **negative terminal**, also known as the **cathode**.
- The **longer lead** is the **positive terminal**, or the **anode**.
Why the Polarity Matters
- LEDs are diodes, meaning they only allow current to flow in one direction.
- If connected incorrectly (i.e., reversing the leads), the LED will not light up and could potentially be damaged.
Identifying LED Connections
- **Negative Terminal (Cathode)**:
- Shorter lead.
- Connected to the negative side of the power source.
- **Positive Terminal (Anode)**:
- Longer lead.
- Connected to the positive side of the power source.
Conclusion
Understanding the correct orientation of LED leads is essential for proper functionality. The answer to the original question is **option 'B'**, as the shorter lead is indeed attached to the **negative terminal** and the longer lead to the **positive terminal**. Proper connection ensures that the LED operates efficiently and safely.
LEDs, or Light Emitting Diodes, have two leads that indicate their polarity, which is crucial for proper operation.
Lead Lengths and Their Significance
- The **shorter lead** of an LED is typically the **negative terminal**, also known as the **cathode**.
- The **longer lead** is the **positive terminal**, or the **anode**.
Why the Polarity Matters
- LEDs are diodes, meaning they only allow current to flow in one direction.
- If connected incorrectly (i.e., reversing the leads), the LED will not light up and could potentially be damaged.
Identifying LED Connections
- **Negative Terminal (Cathode)**:
- Shorter lead.
- Connected to the negative side of the power source.
- **Positive Terminal (Anode)**:
- Longer lead.
- Connected to the positive side of the power source.
Conclusion
Understanding the correct orientation of LED leads is essential for proper functionality. The answer to the original question is **option 'B'**, as the shorter lead is indeed attached to the **negative terminal** and the longer lead to the **positive terminal**. Proper connection ensures that the LED operates efficiently and safely.
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In LED, the shorter lead is attached to ____ terminal and longer lead is attached to the ____ terminal.a)positive, negativeb)negative , positivec)any of the (a) or (b)d)none of theseCorrect answer is option 'B'. Can you explain this answer?
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