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If a bulb does not light up when connected to a cell, which of the following could be the reason?
- a)The bulb is made of glass
- b)The circuit is not complete
- c)The cell is overcharged
- d)The wires are too long
Correct answer is option 'B'. Can you explain this answer?
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If a bulb does not light up when connected to a cell, which of the fol...
If a bulb does not light up, it often means that the circuit is not complete. For the bulb to glow, the circuit must provide a continuous path for the electric current to flow through the bulb. If there is any break in this path, the bulb will not light up.
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If a bulb does not light up when connected to a cell, which of the fol...
Understanding Why the Bulb Doesn't Light Up
When a bulb is connected to a cell but does not light up, the most common reason is that the circuit is not complete. Let’s explore this in detail.
What is a Complete Circuit?
- A complete circuit allows electric current to flow freely from the cell through the wires and the bulb and back to the cell.
- For a bulb to light up, the circuit must form a closed loop; otherwise, the electricity cannot reach the bulb.
Reasons for a Bulb Not Lighting Up
- The Bulb is Made of Glass:
- Most bulbs are made of glass, but this material itself does not prevent the bulb from lighting. The filament inside the bulb is what generates light when electricity flows through it.
- The Circuit is Not Complete:
- If there are any breaks in the connections, loose wires, or switches that are not closed, the circuit will remain open, and the bulb will not light.
- The Cell is Overcharged:
- Overcharging a cell can lead to damage, but it does not directly cause the bulb to not light. The cell may still function, but other factors are usually more immediate causes.
- The Wires are Too Long:
- While excessive wire length can introduce resistance, it typically does not stop the bulb from lighting if the circuit is otherwise complete.
Conclusion
In summary, the most likely cause for a bulb not lighting up when connected to a cell is that the circuit is not complete. Ensuring all connections are secure and the circuit is closed is essential for the bulb to function properly.
When a bulb is connected to a cell but does not light up, the most common reason is that the circuit is not complete. Let’s explore this in detail.
What is a Complete Circuit?
- A complete circuit allows electric current to flow freely from the cell through the wires and the bulb and back to the cell.
- For a bulb to light up, the circuit must form a closed loop; otherwise, the electricity cannot reach the bulb.
Reasons for a Bulb Not Lighting Up
- The Bulb is Made of Glass:
- Most bulbs are made of glass, but this material itself does not prevent the bulb from lighting. The filament inside the bulb is what generates light when electricity flows through it.
- The Circuit is Not Complete:
- If there are any breaks in the connections, loose wires, or switches that are not closed, the circuit will remain open, and the bulb will not light.
- The Cell is Overcharged:
- Overcharging a cell can lead to damage, but it does not directly cause the bulb to not light. The cell may still function, but other factors are usually more immediate causes.
- The Wires are Too Long:
- While excessive wire length can introduce resistance, it typically does not stop the bulb from lighting if the circuit is otherwise complete.
Conclusion
In summary, the most likely cause for a bulb not lighting up when connected to a cell is that the circuit is not complete. Ensuring all connections are secure and the circuit is closed is essential for the bulb to function properly.
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If a bulb does not light up when connected to a cell, which of the following could be the reason?a)The bulb is made of glassb)The circuit is not completec)The cell is overchargedd)The wires are too longCorrect answer is option 'B'. Can you explain this answer?
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