The equivalent inductance of fixed coil and moving coil of electrodynamic instrument is given by?
A. L1 + L2 + 2M
B. L1 + L2 – 2M
C. L1 + L2 + M
D. L1 + L2 – M
Answer:A
The equivalent inductance of fixed coil and moving coil of electrodynamic instrument is given by?
A. L1 + L2 + 2M B. L1 + L2 – 2M C. L1 + L2 + M D. L1 + L2 – M