Last Updated On 16-03-2023 - By Jeesha Sara
The resistance of the filament of an electric bulb changes with temperature. If an electric bulb rated 220 volt and 100 watt is connected to 
sources, then the actual power would be
a)
b)
c)
Between 
and
d)
Between 
and 
The resistance of the filament of an electric bulb changes with temperature. If an electric bulb rated 220 volt and 100 watt is connected to sources, then the actual power would be
a)
b)
c)
Between and
d)
Between and
Question ID - 150386 :-
The resistance of the filament of an electric bulb changes with temperature. If an electric bulb rated 220 volt and 100 watt is connected to sources, then the actual power would be
a)
b)
c)
Between and
d)
Between and
|
The resistance of the filament of an electric bulb changes with temperature. If an electric bulb rated 220 volt and 100 watt is connected to |
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|
a) |
|
b) |
|
|
c) |
Between |
d) |
Between |
|
(d)
Here, It means heat produced So Also So Hence the actual power would be between
|
(because voltage decreases from 
decreases)
, Since
[we expect]
and
Next Question :
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Every atom makes one free electron in copper. If 1.1 A Current is flowing in the wire of copper having 1 mm diameter, then the drift velocity(approx.) will be (density of copper= |
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a) |
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b) |
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c) |
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d) |
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and atomic weight of copper=63)
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