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Switchgear Protections
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The torque produced in induction type relay (shaded pole structure) is

Answer & Solution
Correct Answer: Option B
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2 Comments
Harshada Ghadge
Harshada Ghadge 6 years ago
ans is D
Keshav Mutkule
Keshav Mutkule 6 years ago
Option D is the correct ans, as Torque(T) is proportional to I^2*Sin(alpha). Where alpha is the angle between flux produced by shaded portion and unshaded portion.