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Electromagnetic Field Theory
The shape of B-H curve for air gap is
hyperbola.
parabola.
ellipse.
straight line.
hyperbola.
parabola.
ellipse.
straight line.
Answer
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Related Question
Electromagnetic Field Theory
If the resistance of a conductor does not vary in accordance with the Ohms law it is known as
bad conductor.
reverse conductor.
non - conductor.
non - linear conductor.
bad conductor.
reverse conductor.
non - conductor.
non - linear conductor.
Answer
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Electromagnetic Field Theory
The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends
to decrease the co-energy at constant mmf.
to decrease the stored energy at constant mmf.
to decrease the stored energy at constant flux.
to increase the stored energy at constant flux.
to decrease the co-energy at constant mmf.
to decrease the stored energy at constant mmf.
to decrease the stored energy at constant flux.
to increase the stored energy at constant flux.
Answer
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Electromagnetic Field Theory
Which statement does not say that electrostatic field is conservative?
The work done in a closed path inside the fields is zero.
If is gradient of a scalar potential.
The potential difference between two points is zero.
If the curl of E is identically zero.
The work done in a closed path inside the fields is zero.
If is gradient of a scalar potential.
The potential difference between two points is zero.
If the curl of E is identically zero.
Answer
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Electromagnetic Field Theory
A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be
37.5 V.
150 V.
75 V.
50 V.
37.5 V.
150 V.
75 V.
50 V.
Answer
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Electromagnetic Field Theory
Which of following is not a unit of flux?
All of above.
Maxwell.
Weber.
Telsa.
All of above.
Maxwell.
Weber.
Telsa.
Answer
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