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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.
0 C/m3.
- 8 C/m3.
- 2 C/m3.
- 4 C/m3.
0 C/m3.
- 8 C/m3.
Answer
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Related Question
Electromagnetic Field Theory
Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will
not be equilibrium.
will move out of the field of influence of two charges.
remain in stable equilibrium.
be in unstable equilibrium.
not be equilibrium.
will move out of the field of influence of two charges.
remain in stable equilibrium.
be in unstable equilibrium.
Answer
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Electromagnetic Field Theory
The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is
0.15 joule.
0.015 joule.
1.15 joule.
0.015 joule.
0.15 joule.
0.015 joule.
1.15 joule.
0.015 joule.
Answer
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Electromagnetic Field Theory
In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be
8.
2.
1.
4.
8.
2.
1.
4.
Answer
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Electromagnetic Field Theory
The Kirchhoff’s current law is implict in expression
Surface integral of (j.ds) = 0.
Divergence of B = 0.
Curl of H = J + (δ D)/(δ t).
Divergence of D = ρv.
Surface integral of (j.ds) = 0.
Divergence of B = 0.
Curl of H = J + (δ D)/(δ t).
Divergence of D = ρv.
Answer
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Electromagnetic Field Theory
Radiation intensity in a given direction is the
Power radiated per unit solid angle in that direction
Energy radiated per square metre
Power radiated per square metre
None of these
Power radiated per unit solid angle in that direction
Energy radiated per square metre
Power radiated per square metre
None of these
Answer
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