Question

Potentiometer circuit for measuring a small emf produced by a thermocouple. The meter wire pq has a resistance 5ohhm and the driver cell has an emf of 2v. If a balance point is obtained 0.600m along pq when measuring an emf of 6.00mv. What is the resistance R.

Answer 1

The voltage per unit length on the meter wire PQ is

Comments

Can you guide me how to attach the diagrams  above .

---

Reply soon.....

---

Please follow the below link
https://bit.ly/2LklB3w

---

Followed  it

---

Follow the below link
https://bit.ly/2zYiUQC

---

Ok got it......