D.C Machine's Speed in Revolution Per Second
A D.C machine completes 1500 revolution in 1 minute. The speed in revolution per second is? a. 50 R.P.S b. 10 R.P.S c. 125 R.P.S d. 25 R.P.S
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50 R.P.S ......................................
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a. 50 R.P.S Is The Answer........
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