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1. |
An electric motor operates on a 50 volt supply and a current of 12A. If the efficiency of the motor is 30%, what is the resistance of the winding of the motor [Kerala PET 2002] |
A. | \[6\Omega \] |
B. | \[4\Omega \] |
C. | End B, \[3\times {{10}^{-3}}\,mV\] |
D. | \[3.1\Omega \] |
Answer» D. \[3.1\Omega \] | |