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Physics CBSE Live product
Class 7 (2026-27)
Electricity: Circuits and their components
PT1 Revision I - Electricity: Circuits and their components
5.
CBQ- Night lamp
Question:
4
m.
Answer the following in brief:
Paheli wanted dim light in her room and covered the bulb with a towel. Do you agree with her method? State one reason.
Can't predict
No
Yes
Maybe
, the steps taken by Paheli is
wrong
suitable
accurate
correct
. Because the towel may get
rotated due to heat
burned due to heat produced
glow due to heat produced
burned due to current
by the bulb. Also, the glowing bulb may unnecessarily
increase the brightness
waste the time
waste the energy
waste the light
.
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