Ex. 68 : The length of potentiometer wire is 4 m and its resistance is 18 2. A battery if e.m.f. 2 V and internal resistance 2 Nis connected across the wire. Calculate the potential gradient. If the balancing length for a cell of e.m.f. E1 200 cm, calculate E1
Ex. 68 : The length of potentiometer wire is 4 m and its resistance is 18 2. A battery if e.m.f. 2 V and internal resistance 2 Nis connected across the wire. Calculate the potential gradient. If the balancing length for a cell of e.m.f. E1 200 cm, calculate E1
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![Ex. 68 : The length of potentiometer wire is 4 m
and its resistance is 18 Q . A battery if e.m.f. 2
V and internal resistance 2 Nis connected
across the wire. Calculate the potential
gradient. If the balancing length for a cell of
e.m.f. E1 200 cm, calculate E1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8d68922f-0e8a-4c85-9717-9474b449a3d7%2Fceb5964f-8a2c-44dc-8fbc-e827b05843fb%2Fkg6r5oq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Ex. 68 : The length of potentiometer wire is 4 m
and its resistance is 18 Q . A battery if e.m.f. 2
V and internal resistance 2 Nis connected
across the wire. Calculate the potential
gradient. If the balancing length for a cell of
e.m.f. E1 200 cm, calculate E1
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