1. A quantity can be either a scalar or a vector. A scaler has both magnitude and dired while, a vector has only magnitude.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.59P
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1. A quantity can be either a scalar or a vector. A scaler has both magnitude and dired
while, a vector has only magnitude.
2. The dot product of two vectors A and B, written as AXB, is a vector quantity who
magnitude is the area of the parallelogram formed by A and B and is in the direction o
advance of a right-handed screw as A is turned into B.
3. The vector B=-pa, + Øa, in cylindrical coordinate is the transformation of vector
B ya,-xa, + za, in Cartesian coordinates.
4. Coulomb's law states that the force between two point charges is along the line joining
them. Directly proportional to the square of the distance between them and inversely to
the product of the charges.
5. The electric flux passing through any closed surface is equal to the total charge enclosed
by that surface.
Transcribed Image Text:1. A quantity can be either a scalar or a vector. A scaler has both magnitude and dired while, a vector has only magnitude. 2. The dot product of two vectors A and B, written as AXB, is a vector quantity who magnitude is the area of the parallelogram formed by A and B and is in the direction o advance of a right-handed screw as A is turned into B. 3. The vector B=-pa, + Øa, in cylindrical coordinate is the transformation of vector B ya,-xa, + za, in Cartesian coordinates. 4. Coulomb's law states that the force between two point charges is along the line joining them. Directly proportional to the square of the distance between them and inversely to the product of the charges. 5. The electric flux passing through any closed surface is equal to the total charge enclosed by that surface.
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