Last Updated On [03-11-2023]
Forty electric bulbs are connected in series across a 
supply. After one bulb is fused, the remaining 39 are connected again in series across the same supply. The illumination will be
a)
More with 40 bulbs than with 39
b)
More with 39 bulbs than with 40
c)
Equal in both the cases
d)
In the ratio of 
Forty electric bulbs are connected in series across a supply. After one bulb is fused, the remaining 39 are connected again in series across the same supply. The illumination will be
a)
More with 40 bulbs than with 39
b)
More with 39 bulbs than with 40
c)
Equal in both the cases
d)
In the ratio of
Question ID - 151400 :-
Forty electric bulbs are connected in series across a supply. After one bulb is fused, the remaining 39 are connected again in series across the same supply. The illumination will be
a)
More with 40 bulbs than with 39
b)
More with 39 bulbs than with 40
c)
Equal in both the cases
d)
In the ratio of
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Forty electric bulbs are connected in series across a |
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|
a) |
More with 40 bulbs than with 39 |
b) |
More with 39 bulbs than with 40 |
|
c) |
Equal in both the cases |
d) |
In the ratio of |
|
(b) When 1 bulb fuses, the total resistance of the circuit decreases hence the current increases. Since |
therefore illumination increasesNext Question :
A wire of resistor 
is bent into a circular ring of radius 
Equivalent resistance between two points 
and 
on its circumference, when angle 
is 
can be given by
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|
a) |
|
b) |
|
c) |
|
d) |
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