When the bridge is balanced, what is the current flowing through the galvanometer?
A. 0
B. depends on the ratio arms R1 and R2
C. varies by a factor of 2
D. depends on the type of null detector used
Answer:A
When the bridge is balanced, what is the current flowing through the galvanometer?
A. 0 B. depends on the ratio arms R1 and R2 C. varies by a factor of 2 D. depends on the type of null detector used