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Subjects
Science CBSE
Class 7
Electric current and its effects
Circuits, heating and magnetic effects
5.
Incandescent electric bulbs
Exercise condition:
5
m.
State true or false
:
1
.
Filament is placed between the connecting wires which act as a support to it.
-
True
False
2
.
LED bulbs are more efficient than any other bulbs.
-
True
False
3
.
The amount of heat produced in the element depends only on the material of the coil.
-
False
True
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