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Electromagnetic Field Theory
A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to
aρv C/m2.
aρv/4 C/m2.
aρv/3 C/m2.
ρv/3 C/m2.
aρv C/m2.
aρv/4 C/m2.
aρv/3 C/m2.
ρv/3 C/m2.
Answer
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Related Question
Electromagnetic Field Theory
For an inductor, current is proportional to
voltage across the inductor.
magnetic field.
none of them.
both (A) and (B).
voltage across the inductor.
magnetic field.
none of them.
both (A) and (B).
Answer
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Electromagnetic Field Theory
1 Maxwell is the same as
10-8 weber.
104 weber.
10-8 weber.
10-4 weber.
10-8 weber.
104 weber.
10-8 weber.
10-4 weber.
Answer
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Electromagnetic Field Theory
Mutual inductance between two magnetically coupled coils depends on
permeability of core.
all of above.
the number of their turns.
cross sectional area of their common core.
permeability of core.
all of above.
the number of their turns.
cross sectional area of their common core.
Answer
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Electromagnetic Field Theory
Which of the following is zero in relation to electromagnetic fields?
Grad div A.
Div curl A.
Curl curl A.
Div grad V.
Grad div A.
Div curl A.
Curl curl A.
Div grad V.
Answer
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Electromagnetic Field Theory
The force experienced by a current carrying conductor lying parallel to a magnetic field is
Bil cosθ.
BIL.
zero.
Bil sinθ.
Bil cosθ.
BIL.
zero.
Bil sinθ.
Answer
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