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Why does an electric bulb glow in a circuit?
- a)Because there is no electricity in the circuit
- b)Because the circuit provides a path for electricity to flow
- c)Because the bulb is broken
- d)Because the wires are not connected properly
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Why does an electric bulb glow in a circuit?a)Because there is no elec...
An electric bulb glows in a circuit because the circuit gives a way for electricity to move through it. This flow of electricity through the bulb's filament makes it light up. So when the circuit is complete and the current can pass through, the bulb will glow.
Most Upvoted Answer
Why does an electric bulb glow in a circuit?a)Because there is no elec...
How an Electric Bulb Glows
An electric bulb glows when it is connected in a circuit that allows electricity to flow. Understanding this concept is essential for grasping basic electrical principles.
What is a Circuit?
- A circuit is a complete path that electricity can travel through.
- It typically consists of a power source (like a battery), wires, and a load (like a bulb).
Role of Electricity in a Circuit
- Electricity is the flow of electric charge, usually through wires.
- For a bulb to glow, electricity must flow through its filament, heating it until it produces light.
Why Option B is Correct
- Option B states that the circuit provides a path for electricity to flow.
- When the circuit is closed (complete), electricity travels from the power source, through the wires, and into the bulb, causing it to glow.
Why Other Options are Incorrect
- Option A: "Because there is no electricity in the circuit" - If this were true, the bulb would not glow at all.
- Option C: "Because the bulb is broken" - A broken bulb would not glow either; it needs to be functional.
- Option D: "Because the wires are not connected properly" - If the wires are not connected, the circuit remains open, and electricity cannot flow.
Conclusion
In summary, an electric bulb glows because the circuit provides a complete path for electricity to flow, allowing the bulb to operate effectively. Understanding this fundamental concept helps in recognizing how electrical devices work.
An electric bulb glows when it is connected in a circuit that allows electricity to flow. Understanding this concept is essential for grasping basic electrical principles.
What is a Circuit?
- A circuit is a complete path that electricity can travel through.
- It typically consists of a power source (like a battery), wires, and a load (like a bulb).
Role of Electricity in a Circuit
- Electricity is the flow of electric charge, usually through wires.
- For a bulb to glow, electricity must flow through its filament, heating it until it produces light.
Why Option B is Correct
- Option B states that the circuit provides a path for electricity to flow.
- When the circuit is closed (complete), electricity travels from the power source, through the wires, and into the bulb, causing it to glow.
Why Other Options are Incorrect
- Option A: "Because there is no electricity in the circuit" - If this were true, the bulb would not glow at all.
- Option C: "Because the bulb is broken" - A broken bulb would not glow either; it needs to be functional.
- Option D: "Because the wires are not connected properly" - If the wires are not connected, the circuit remains open, and electricity cannot flow.
Conclusion
In summary, an electric bulb glows because the circuit provides a complete path for electricity to flow, allowing the bulb to operate effectively. Understanding this fundamental concept helps in recognizing how electrical devices work.
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