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Electromagnetic Field Theory
When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be
alternating.
none of these.
pulsating.
steady.
alternating.
none of these.
pulsating.
steady.
Answer
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Related Question
Electromagnetic Field Theory
Which of the following represents ohms law
J = σE
All of these
I = GV
V = RI
J = σE
All of these
I = GV
V = RI
Answer
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Electromagnetic Field Theory
A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as
A = sinφ Ir.
A = cosφ Ir - sinφ Ir.
A = cosφ Ir + sinφ Iφ.
A = cosφ Ir.
A = sinφ Ir.
A = cosφ Ir - sinφ Ir.
A = cosφ Ir + sinφ Iφ.
A = cosφ Ir.
Answer
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Electromagnetic Field Theory
XEROX machine is working on
magnetic effect.
heating effect of current.
electrostatic effect.
peltier effect.
magnetic effect.
heating effect of current.
electrostatic effect.
peltier effect.
Answer
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Electromagnetic Field Theory
The magnitude of the induced emf in a conductor depends upon on the
amount of flux cut.
rate of change of flux linkage.
flux density of the magnetic field.
amount of flux linkage.
amount of flux cut.
rate of change of flux linkage.
flux density of the magnetic field.
amount of flux linkage.
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 stored energy at constant flux.
to decrease the co-energy at constant mmf.
to increase the stored energy at constant flux.
to decrease the stored energy at constant mmf.
to decrease the stored energy at constant flux.
to decrease the co-energy at constant mmf.
to increase the stored energy at constant flux.
to decrease the stored energy at constant mmf.
Answer
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