If the speed of a DC machine is 1500 RPM, then the time taken to complete one cycle (rotation) is equal to:

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MPPGCL JE Electrical 28 April 2023 Shift 1 Official Paper
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  1. \(\frac{6000}{150}\) sec
  2. \(\frac{600}{150}\) sec
  3. \(\frac{60}{150}\) sec
  4. \(\frac{60}{1500}\) sec

Answer (Detailed Solution Below)

Option 4 : \(\frac{60}{1500}\) sec
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Detailed Solution

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Concept

The time taken for one rotation of a DC machine is given by:

\(T={60\over RPM}\space sec\)

Calculation

Given RPM = 1500

\(T={60\over 1500}\space sec\)

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