The sensitivity of a tangent galvanometer can be increased by increasing_______
A. the radius of the coil
B. the external magnetic field
C. the number of turns of the coil
D. all the above
Answer:B
The sensitivity of a tangent galvanometer can be increased by increasing_______
A. the radius of the coil B. the external magnetic field C. the number of turns of the coil D. all the above