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
Answer
Explanation

ANSWER: Superposition
Explanation: No explanation is available for this question!


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
Answer
Explanation

ANSWER: Complex fields
Explanation: No explanation is available for this question!


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
Answer
Explanation

ANSWER: B
Explanation: No explanation is available for this question!


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)}
Answer
Explanation

ANSWER: e^{jkr}
Explanation: No explanation is available for this question!


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 (J_{z} = 0)?
a. Inward
b. Outward
c. Both a and b
d. None of the above
Answer
Explanation

ANSWER: Outward
Explanation: No explanation is available for this question!


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
Answer
Explanation

ANSWER: R/c
Explanation: No explanation is available for this question!


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
Answer
Explanation

ANSWER: Distance of point from the source (R)
Explanation: No explanation is available for this question!


8) Which operations are performed by vector potentials (A, F) over the radiated fields (E & H)?
a. Addition
b. Subtraction
c. Differentiation
d. Integration
Answer
Explanation

ANSWER: Differentiation
Explanation: No explanation is available for this question!


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
Answer
Explanation

ANSWER: Vector potentials
Explanation: No explanation is available for this question!


10) If an observation point is closely located to the source, then the field is termed as ________
a. Induced
b. Radiated
c. Reflected
d. Farfield
Answer
Explanation

ANSWER: Induced
Explanation: No explanation is available for this question!

