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Electromagnetic Field Theory
Which of following can induce the maximum induced voltage ?
20 amp dc.
1 amp 1 Hz.
1 amp dc.
1 amp 100 Hz.
20 amp dc.
1 amp 1 Hz.
1 amp dc.
1 amp 100 Hz.
Answer
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Related Question
Electromagnetic Field Theory
A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere?
0.335 C.
None of above.
0.335/sinθ c.
0.
0.335 C.
None of above.
0.335/sinθ c.
0.
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.
Commutator.
Electric fields.
Electric current.
Copper conductors.
Commutator.
Electric fields.
Electric current.
Answer
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Electromagnetic Field Theory
An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be
1800 V.
900 V.
200 V.
0 V.
1800 V.
900 V.
200 V.
0 V.
Answer
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Electromagnetic Field Theory
The magnitude of the induced emf in a conductor depends upon on the
rate of change of flux linkage.
amount of flux linkage.
amount of flux cut.
flux density of the magnetic field.
rate of change of flux linkage.
amount of flux linkage.
amount of flux cut.
flux density of the magnetic field.
Answer
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Electromagnetic Field Theory
The force experienced by a current carrying conductor lying parallel to a magnetic field is
zero.
BIL.
Bil sinθ.
Bil cosθ.
zero.
BIL.
Bil sinθ.
Bil cosθ.
Answer
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