What is the back emf at that time

Reference no: EM13652988

A motor has coils with a resistance of 26 Ω and operates froma voltage of 240 V. When the motor is operating at its maximumspeed, the back emf is 111V.

A) Find the current in the coils when the motor is first turned on. Answer in units of A.
B) Find the current in the coils when the motor has reached itsmaximum speed. Answer in units of A.
C) If the current in the motor is 8 A at some instant, what is the back emf at that time? Answer in units of V

Reference no: EM13652988

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