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 | SaraNextGen Top Answer
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 |
|||
|
a) |
|
b) |
|
|
c) |
Between |
d) |
Between |
1 Answer
127 votes
Answer Key / Explanation : (d) -
|
(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
127 votes
Answer Link
127