Potentiometer measures potential more accurately because
A. it measures potential in open circuit
B. it uses sensitive galvanometer for null deflection
C. it uses high resistance potentiometer wire
D. it measures potential in closed circuit
Answer:A
Potentiometer measures potential more accurately because
A. it measures potential in open circuit B. it uses sensitive galvanometer for null deflection C. it uses high resistance potentiometer wire D. it measures potential in closed circuit