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Which of the following is not an advantage of BLDC motor over conventional DC motor.

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Which of the following is not an advantage of BLDC motor over conventional DC motor.

(a) Less maintenance

(b) Long life

(c) No risk of explosion or possibility of RF radiation

(d) Low cost

I got this question in examination.

The origin of the question is BLDC Motors in portion Synchronous Machines of DC Machines

1 Answer

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Best answer
Correct choice is (d) Low cost

Explanation: The brushless DC motor being more expensive compare to DC motor of same kW ratings, serves many other advantages like long life, less maintenance, rapid response, linear characteristic, no sparking and many more.

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