In eddy-current damping systems, the disc is usually made of
A. non-conducting and non-magnetic material
B. non-conducting and magnetic material
C. conducting and magnetic material
D. conducting and non-magnetic material
Answer:D
In eddy-current damping systems, the disc is usually made of
A. non-conducting and non-magnetic material B. non-conducting and magnetic material C. conducting and magnetic material D. conducting and non-magnetic material