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Electromagnetic Field Theory

Electromagnetic Field Theory
The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is

 - 2 C/m3.
 - 4 C/m3.
 - 8 C/m3.
 0 C/m3.

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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.
 None of above.
 0.335/sinθ c.
 0.335 C.

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Electromagnetic Field Theory
The magnitude of the induced emf in a conductor depends upon on the

 flux density of the magnetic field.
 amount of flux linkage.
 rate of change of flux linkage.
 amount of flux cut.

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Electromagnetic Field Theory
The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is

 0.15 J.
 0.015 J.
 1.15 J.
 0.5 J.

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Electromagnetic Field Theory
Conductor is varying and field is fixed then emf will be induced. This principle is called

None of these
 both A and B.
 dynamically induced emf.
 static induced emf.

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Electromagnetic Field Theory
1 Maxwell is the same as

 104 weber.
 10-4 weber.
 10-8 weber.
 10-8 weber.

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MORE MCQ ON Electromagnetic Field Theory

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