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Q. |
What material is used in the tunnel of the rotor of the single phase induction motor? |
A. | aluminium |
B. | copper |
C. | steel |
D. | wood |
Answer» A. aluminium | |
Explanation: the rotor consists of a block of slotted laminations. the slots form a series of tunnels that are filled with aluminium in its molten state. |
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