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Electromagnetic Field Theory
A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction
Ex = Ey = 0, Bx = By = 0.
None of these.
Ey = Ez = 0, By = Bz = 0.
Ex = Ey = 0, By = Bz = 0.
Ex = Ey = 0, Bx = By = 0.
None of these.
Ey = Ez = 0, By = Bz = 0.
Ex = Ey = 0, By = Bz = 0.
Answer
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Related Question
Electromagnetic Field Theory
Between a hollow and solid metal sphere, charge reside
on outer surface in both.
None of above.
on outer surface in hollow and throughout in solid
on outer surface in hollow and throughout in solid.
on outer surface in both.
None of above.
on outer surface in hollow and throughout in solid
on outer surface in hollow and throughout in solid.
Answer
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Electromagnetic Field Theory
The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then
it is a perfect transformer.
turns ratio of the transformer is also two.
transformer is an ideal transformer.
none of these.
it is a perfect transformer.
turns ratio of the transformer is also two.
transformer is an ideal transformer.
none of these.
Answer
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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
0.015 J.
1.15 J.
0.5 J.
0.15 J.
0.015 J.
1.15 J.
0.5 J.
0.15 J.
Answer
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Electromagnetic Field Theory
It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force
Faraday.
Kelvin.
Newton.
all of above.
Faraday.
Kelvin.
Newton.
all of above.
Answer
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Electromagnetic Field Theory
1 Tesla =
1 wb/ m2.
1 wb .
1 wb/m.
1 wb- m2.
1 wb/ m2.
1 wb .
1 wb/m.
1 wb- m2.
Answer
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