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Electromagnetic Field Theory
The useful magnetic flux obtainable from any closed surface is
Constant
Unity
Both A and B
None of these
Constant
Unity
Both A and B
None of these
Answer
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Related Question
Electromagnetic Field Theory
The force experienced by a current carrying conductor lying parallel to a magnetic field is
Bil cosθ.
BIL.
Bil sinθ.
zero.
Bil cosθ.
BIL.
Bil sinθ.
zero.
Answer
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Electromagnetic Field Theory
When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .
Reflection
Refraction
None of these
Transmission
Reflection
Refraction
None of these
Transmission
Answer
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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
ρv/3 C/m2.
aρv/4 C/m2.
aρv C/m2.
aρv/3 C/m2.
ρv/3 C/m2.
aρv/4 C/m2.
aρv C/m2.
aρv/3 C/m2.
Answer
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Electromagnetic Field Theory
inductance (L2) in parallel without mutual coupling will be
5 mH.
15 mH.
20 mH.
10 mH.
5 mH.
15 mH.
20 mH.
10 mH.
Answer
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Electromagnetic Field Theory
A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be
BIL.
BI2L.
BL2I.
zero.
BIL.
BI2L.
BL2I.
zero.
Answer
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