Last Updated On 16-03-2023 - By Jeesha Sara
A thermocouple of resistance 
is connected in series with a galvanometer of 
resistance. The thermocouple develops an 
m.f. of 
per degree temperature difference between two junctions. When one junction is kept at 
and the other in a molten metal, the galvanometer reads 
The temperature of molten metal, when 
.m.f. varies linearly with temperature difference, will be
a)
b)
c)
d)
A thermocouple of resistance is connected in series with a galvanometer of resistance. The thermocouple develops an m.f. of per degree temperature difference between two junctions. When one junction is kept at and the other in a molten metal, the galvanometer reads The temperature of molten metal, when .m.f. varies linearly with temperature difference, will be
a)
b)
c)
d)
Question ID - 150283 :-
A thermocouple of resistance is connected in series with a galvanometer of resistance. The thermocouple develops an m.f. of per degree temperature difference between two junctions. When one junction is kept at and the other in a molten metal, the galvanometer reads The temperature of molten metal, when .m.f. varies linearly with temperature difference, will be
a)
b)
c)
d)
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A thermocouple of resistance |
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(a) Let the temperature of molten metal is The thermo- Current in the circuit But
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Next Question :
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The resistance of hot tungsten filament is about 10 times the cold resistance. What will be the resistance of 100 W and 200 lamps, when not in use? |
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