Last Updated On 16-03-2023 - By Jeesha Sara
Three electric bulbs with same voltage ratings of 110 volts but wattage ratings of 40, 60 and 100 watts respectively are connected in series across a 220 volt supply line. If their brightness are 
respectively, then
a)
b)
c)
d)
Bulbs will burn out due to the high voltage supply
Three electric bulbs with same voltage ratings of 110 volts but wattage ratings of 40, 60 and 100 watts respectively are connected in series across a 220 volt supply line. If their brightness are respectively, then
a)
b)
c)
d)
Bulbs will burn out due to the high voltage supply
Question ID - 150217 :-
Three electric bulbs with same voltage ratings of 110 volts but wattage ratings of 40, 60 and 100 watts respectively are connected in series across a 220 volt supply line. If their brightness are respectively, then
a)
b)
c)
d)
Bulbs will burn out due to the high voltage supply
|
Three electric bulbs with same voltage ratings of 110 volts but wattage ratings of 40, 60 and 100 watts respectively are connected in series across a 220 volt supply line. If their brightness are |
|
|
a) |
|
|
b) |
|
|
c) |
|
|
d) |
Bulbs will burn out due to the high voltage supply |
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(a) Resistance of a bulb For a given voltage
Rate of heat produced, When the bulbs are connected in series, the current flowing through each bulb is same
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As
Next Question :
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Consider a rectangular slab of length |
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|
a) |
Becomes half of the initial value |
b) |
Becomes one-fourth of the initial value |
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c) |
Becomes double the initial value |
d) |
Remains same |
and area of cross section 
A current 
is passed through it. If the length is doubled, the potential drop across the end facesView Topper Answer
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