A Leclanche cell with thc e.m.f. 1.45 V and internal resistance 2 N is connected to a potentiometer wire through a resistance 1440 N in serics. The potentiometer wire has length potential gradient along the potentiomcter wire. What the balancing length of this potentiometer wire in case of thermocouple 4 m and resistance 8 . Find the will be with e.m.f. 100 uV ?

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A Leclanche cell with the e.m.f. 1.45 V
and internal resistance 2 N is connected to a
potentiometer wire through a resistance 1440
N in series. The potentiometer wire has length
4 m and resistance 8 2. Find the potential
gradient along the potentiometer wire. What
the balancing length of this
potentiometer wire in case of thermocouple
will be
with e.m.f. 100 µV ?
Transcribed Image Text:A Leclanche cell with the e.m.f. 1.45 V and internal resistance 2 N is connected to a potentiometer wire through a resistance 1440 N in series. The potentiometer wire has length 4 m and resistance 8 2. Find the potential gradient along the potentiometer wire. What the balancing length of this potentiometer wire in case of thermocouple will be with e.m.f. 100 µV ?
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