According to the principle of potentiometer, the emf of the cell is:
A. inversely proportional to its balancing length
B. directly proportional to its balancing length
C. directly proportional to its resistance
D. inversely proportional to its resistance
Answer:B
According to the principle of potentiometer, the emf of the cell is:
A. inversely proportional to its balancing length B. directly proportional to its balancing length C. directly proportional to its resistance D. inversely proportional to its resistance