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A motor of a corn mill machine operates on electrical energy of (1.44 times 10^{5})J….

A motor of a corn mill machine operates on electrical energy of (1.44 times 10^{5})J. If one-quarter of the energy is wasted on sound and heat, determine the efficiency of the machine.

  • A.
    25%
  • B.
    36%
  • C.
    64%
  • D.
    75%
Correct Answer: Option D
Explanation