What is the coupling field used between the electrical and mechanical systems in an energy conversion devices?
A. Magnetic field
B. Electric field
C. Magnetic field or Electric field
D. None of the mentioned
Answer:A
What is the coupling field used between the electrical and mechanical systems in an energy conversion devices?
A. Magnetic field B. Electric field C. Magnetic field or Electric field D. None of the mentioned
Explanation: Either electric field or magnetic field can be used, however most commonly we use magnetic field because of its greater energy storage capacity.