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GATE 2025 Electrical Machines Foundation Quiz 26
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Question 1
The unit of reluctance of magnetic circuit is
Question 2
For the series magnetic circuit shown, find the flux density to develop magnetic flux of 4 × 10–4 Wb.
Question 3
_________ is the flux–producing ability of an electric current in a magnetic circuit.
Question 4
A magnetic circuit has a m.m.f. of 400 AT and a reluctance of 2 x 105 AT/Wb. The magnetic flux in the magnetic circuit is_____ mWb.
Question 5
An iron ring of mean length 50 cm has an air gap of 1 mm and a winding of 200 turns. If the permeability of the iron is 300 when a current of 1 A follows through coil, find the flux density in m Wb/m2
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Dec 26ESE & GATE EE
