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Physics CBSE Live product
Class 7 (2025-26)
Electricity: Circuits and their components
Revision I - Electricity: Circuits and their components
5.
Electric lamps
Question:
2
m.
Choose the best answer for the following.
1.
In an incandescent lamp, light is produced because
the glass bulb glows
the battery produces light directly
the metal case shines
the filament gets heated and glows
2.
The small glass bulb in an incandescent lamp is mainly used to
protect the filament
act as a switch
glow itself
store current
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