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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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Related Question
Electromagnetic Field Theory
Gradient of scalar field is expressed as
Circulation of a vector field per unit area as the area tends to zero.
Outward flux of a vector field per unit volume as the volume about the point tends to zero.
Gradient of divergence of a vector field minus the curl of the vector field.
Maximum rate of increase of scalar function at a point.
Circulation of a vector field per unit area as the area tends to zero.
Outward flux of a vector field per unit volume as the volume about the point tends to zero.
Gradient of divergence of a vector field minus the curl of the vector field.
Maximum rate of increase of scalar function at a point.
Answer
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Electromagnetic Field Theory
Which of following circuit element stores energy in electro-magnetic field?
Inductor.
Condenser.
Capacitor.
Variable Resistor.
Inductor.
Condenser.
Capacitor.
Variable Resistor.
Answer
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Electromagnetic Field Theory
The operation of electric generators and motors depend on the intraction between magnetic field and
Copper conductors.
Electric fields.
Electric current.
Commutator.
Copper conductors.
Electric fields.
Electric current.
Commutator.
Answer
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Electromagnetic Field Theory
Which of the following represents ohms law
J = σE
V = RI
I = GV
All of these
J = σE
V = RI
I = GV
All of these
Answer
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Electromagnetic Field Theory
Which of the following is multiband HF receiving antenna?
Conical horn
Log-periodic
Square loop
Folded dipole
Conical horn
Log-periodic
Square loop
Folded dipole
Answer
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