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Q#1
Induction Machines
GATE EE 2023
MCQ
+1 mark
-0.33 marks
A 10-pole, 
, single phase induction motor runs at 
while driving rated load. The frequency of induced rotor currents due to backward field is
100 Hz
95 Hz
10 Hz
5 Hz
Explanation:
Synchronous speed, 
Since, rotor rotates opposite to backward field
Sup, 
Rotor induced frequency due to backward field
= sf = 1.9 × 50 = 95 Hz
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