The balance condition of a Wheatstone bridge depends on the _________
A. ratio of arms R1 and R1
B. ratio of arms R3 and R4
C. emf source and null detector
D. current source and power source
Answer:A
The balance condition of a Wheatstone bridge depends on the _________
A. ratio of arms R1 and R1 B. ratio of arms R3 and R4 C. emf source and null detector D. current source and power source