Topic 0: Introduction to Electromagnetics Flashcards Preview

EE20085 Electromagnetics > Topic 0: Introduction to Electromagnetics > Flashcards

Flashcards in Topic 0: Introduction to Electromagnetics Deck (16)
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1
Q

What is a vector?

A

Vectors are quantities that have both magnitude and direction.

2
Q

A vector may be decomposed into its x- and y-components as shown:

A
3
Q

The x and y components of a vector can be calculated using the following formula?

A
4
Q

The Scaler dot product of two vectors can be defined as:

A
5
Q

The dot product of two vectors is a ……. quantity?

A

scalar

6
Q

Show that:

A
7
Q

The rule of the three dimensional coordinate system:

A

A three-dimensional coordinate system MUST obey the right-hand rule.

Curl the fingers of your RIGHT HAND so they go from x to y. Your thumb will point in the z direction.

8
Q

What is the cross product of two vectors?

A

The cross product of two vectors says something about how perpendicular they are. You will find it in the context of rotation, or twist.

9
Q

The equation for the cross product of vectors A and B.

A
10
Q

Cross Product: Rule surrounding the direction perpendicular to both A & B.

A
11
Q

How is the calculation for the cross product of two variable carried out?

A
12
Q

Right-hand rule for DIRECTION of vector cross product

A
13
Q

Derivation of the cross product calculations

A
14
Q

The Cartesian coordinate system.

A
15
Q

Cylindrical-coordinate systems?

A
16
Q

Spherical coordinate systems?

A