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Physics CBSE Live product
Class 7 (2025-26)
Electricity: Circuits and their components
Revision I - Electricity: Circuits and their components
8.
Electric circuits and incandescent lamps
Question:
5
m.
Choose the best answer below:
1.
Glow of an electric lamp
-
The lamp glows when the electric circuit is complete and closed, not allowing current to flow
The lamp glows when the electric circuit is complete and opened, allowing current to flow
The lamp glows when the electric circuit is incomplete and closed, allowing current to flow
The lamp glows when the electric circuit is complete and closed, allowing current to flow
2.
Current
-
Electric current does not flow through a complete path in the circuit, making the not lamp
Electric current flows through an incomplete path in the circuit, making the lamp glow
Electric current does not flow through a complete path in the circuit, making the lamp glow
Electric current flows through a complete path in the circuit, making the lamp glow
3.
Fused incandescent lamp
-
The filament inside the lamp is not broken, preventing current from flowing
The filament inside the lamp is broken, preventing current from not flowing
The filament inside the lamp is broken, preventing current from flowing
The filament inside the lamp is broken, allowing current from flowing
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