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Electromagnetic Field Theory
Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is
Zero.
2 V.
√ 2 V.
1 V.
Zero.
2 V.
√ 2 V.
1 V.
Answer
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Related Question
Electromagnetic Field Theory
The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing?
20 mH.
0 mH.
5 mH.
10 mH.
20 mH.
0 mH.
5 mH.
10 mH.
Answer
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Electromagnetic Field Theory
1 Tesla =
1 wb/m.
1 wb .
1 wb- m2.
1 wb/ m2.
1 wb/m.
1 wb .
1 wb- m2.
1 wb/ m2.
Answer
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Electromagnetic Field Theory
Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by,
V × D²
V / D
V × D
V² / D
V × D²
V / D
V × D
V² / D
Answer
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Electromagnetic Field Theory
The wave in wave guide has
Group velocity inversely proportional to wavelength
Larger wavelength than in the free space
Larger frequency than in the free space
Diminishing wavelength than in the free space
Group velocity inversely proportional to wavelength
Larger wavelength than in the free space
Larger frequency than in the free space
Diminishing wavelength than in the free space
Answer
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Electromagnetic Field Theory
For a linear electromagnetic circuit, which of the following statement is true?
Co-energy is zero.
Field energy is greater than the co-energy.
Field energy is equal to the co-energy.
Field energy is lesser than the co-energy.
Co-energy is zero.
Field energy is greater than the co-energy.
Field energy is equal to the co-energy.
Field energy is lesser than the co-energy.
Answer
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