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The divergence of curl of a vector is zero. State True or False.
Answer: a Explanation: The curl of a vector is the circular flow of flux. The divergence of circular flow is considered to be zero.
Answer: a
See lessExplanation: The curl of a vector is the circular flow of flux. The divergence of circular
flow is considered to be zero.
The Laplacian operator is actually
Answer: b Explanation: The Laplacian operator is the divergence of gradient of a vector, which is also called del2V operator.
Answer: b
See lessExplanation: The Laplacian operator is the divergence of gradient of a vector, which is
also called del2V operator.
The relation between vector potential and field strength is given by
Answer: a Explanation: The vector potential and field is given by, E = -Del (V).
Answer: a
See lessExplanation: The vector potential and field is given by, E = -Del (V).
The del operator is called as
Answer: d Explanation: The Del operator is used to replace the differential terms, thus called vector differential operator in electromagnetics.
Answer: d
See lessExplanation: The Del operator is used to replace the differential terms, thus called vector differential operator in electromagnetics.
The vector product of two vectors is given by area of the parallelogram. State True/False.
Answer: a Explanation: The vector product of two vectors is A X B = AB sin θ. n, where n is the unit normal vector to the plane given by A and B. Their magnitude is given by |A X B|, which is the area of parallelogram.
Answer: a
See lessExplanation: The vector product of two vectors is A X B = AB sin θ. n, where n is the unit normal vector to the plane given by A and B. Their magnitude is given by |A X B|, which is the area of parallelogram.
Find the projection of A on B. Given A = 10j + 3k and B = 4j + 5k.
Answer: b Explanation: Projection of A on B = (A . B)/|B|. Thus the answer is 40/6.4= 6.25.
Answer: b
See lessExplanation: Projection of A on B = (A . B)/|B|. Thus the answer is 40/6.4= 6.25.
Distance and position vectors rely on field strength. State True/False.
a Explanation: Position or distance of a vector is dependent on the field strength.
a
See lessExplanation: Position or distance of a vector is dependent on the field strength.
The distance vector can be used to compute which of the following?
Answer: c Explanation: The distance vector is the distance between two points on space, thus the unit normal vector is computed using the distance vector.
Answer: c
See lessExplanation: The distance vector is the distance between two points on space, thus the
unit normal vector is computed using the distance vector.
The work-electric field relation is given by
Answer: c Explanation: The work done is given by, W = -Q ∫E dl. Thus it is line integral.
Answer: c
See lessExplanation: The work done is given by, W = -Q ∫E dl. Thus it is line integral.
The polar form of Cartesian coordinates is
Answer: a Explanation: The radius in the polar coordinates is the Pythagorean triplet-(r,x,y).Thus it is the circular coordinates.
Answer: a
Explanation: The radius in the polar coordinates is the Pythagorean triplet-(r,x,y).Thus it is the circular coordinates.
See less