11. How will the size and cost of a rotating electric machine be if it is designed with greater speed? a) small size and more cost b) small size and less cost c) large size and more cost d) large size and less cost
11. How will the size and cost of a rotating electric machine be if it is designed with greater speed? a) small size and more cost b) small size and less cost c) large size and more cost d) large size and less cost
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