1) If J & M are active at the same time, which principle theorem is used for field estimation?
a. Reciprocity
b. Superposition
c. Causality
d. Relativity
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Answer
Explanation
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ANSWER: Superposition
Explanation:
No explanation is available for this question!
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2) The concept of magnetic vector potential finds its major application in deriving expression of magnetic field intensity especially for ______
a. Real fields
b. Imaginary fields
c. Complex fields
d. None of the above
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Answer
Explanation
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ANSWER: Complex fields
Explanation:
No explanation is available for this question!
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3) Which among the below mentioned magnetic quantities is/are dependent on media/medium?
a. B
b. H
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: B
Explanation:
No explanation is available for this question!
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4) In solution evaluation process of inhomogeneous vector potential wave equation, if points are completely removed from the source, then by which factor does the time varying field & static solution differ?
a. e -jkr
b. e jkr
c. e -jk/r
d. e (jk + r)
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Answer
Explanation
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ANSWER: e-jkr
Explanation:
No explanation is available for this question!
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5) In the solutions of inhomogeneous vector potential wave equation, which component exists if the source is at origin and the points are removed from the source (Jz = 0)?
a. Inward
b. Outward
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: Outward
Explanation:
No explanation is available for this question!
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6) In retarded potentials, what factor of time delay is generally introduced in A & V equations?
a. R + c
b. R - c
c. R/c
d. R x c
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Answer
Explanation
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ANSWER: R/c
Explanation:
No explanation is available for this question!
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7) The vector magnetic potential shows the inverse relationship with its ____
a. Source
b. Distance of point from the source (R)
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: Distance of point from the source (R)
Explanation:
No explanation is available for this question!
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8) Which operations are performed by vector potentials (A, F) over the radiated fields (E & H)?
a. Addition
b. Subtraction
c. Differentiation
d. Integration
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Answer
Explanation
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ANSWER: Differentiation
Explanation:
No explanation is available for this question!
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9) Which auxiliary functions assist in solving the radiation problem by evaluation of E & H using sources J & M?
a. Scalar potentials
b. Vector potentials
c. Gradient potentials
d. Divergence potentials
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Answer
Explanation
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ANSWER: Vector potentials
Explanation:
No explanation is available for this question!
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10) If an observation point is closely located to the source, then the field is termed as ________
a. Induced
b. Radiated
c. Reflected
d. Far-field
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Answer
Explanation
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ANSWER: Induced
Explanation:
No explanation is available for this question!
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