Slot wedges in a DC machine is made up of

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Electrical Engineering XYZ MCQs

Slot wedges in a DC machine is made up of:

  1. Fiber
  2. Mild steel
  3. Cast iron
  4. Silicon steel

Correct answer: 4. Silicon steel

Explanation: Silicon steel, also known as electrical steel, is a common material used in the construction of laminated cores for electrical machines, including DC machines. It possesses desirable magnetic properties and helps in reducing eddy current losses. If the slot wedges in the DC machine are made of silicon steel, it is to enhance the overall performance and efficiency of the machine by minimizing magnetic losses.

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