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- 1. By Prof. HiteshDholakiya Basics of Vector, Triangular, Parallelogram & polygon law Electromagnetics E n g i n e e r i n g F u n d a Engineering Funda Android App Electromagnetic Theory YT Playlist
- 2. Basics of Vector TriangularLaw Resultant of two vector Parallelogram Law Outlines of Session Polygon Law E n g i n e e r i n g F u n d a Engineering Funda Android App Electromagnetic Theory YT Playlist
- 3. Basics of Vector ❖Difference between vector and scalar Scalar Vector 1. The quantities which has magnitude and direction are vector quantities 1. The quantities which has only magnitude, and no direction, are scalar quantities 2. The vector quantities are more than one dimensional quantities 2. The scalar quantities are one dimensional quantities 3. The vector can not be divided with another vector quantities 3. The scalar can be divided with another scalar quantities 4. Number (Magnitude), direction (Unit vector) and unit is required to represent vector quantities 4. Number (Magnitude) and unit is only required to represent scalar quantities 5. E. g. Velocity, Force 5. E. g. Mass, Time E n g i n e e r i n g F u n d a Engineering Funda Android App Electromagnetic Theory YT Playlist
- 4. Basics of Vector ❖Representation of vector ❖ Magnitude of vector ❖ Unit vector Ԧ 𝐴 = 𝐴𝑥 Ƹ 𝑖 + 𝐴𝑦 Ƹ 𝑗 + 𝐴𝑧 𝑘 Ԧ 𝐴 = (𝐴𝑥, 𝐴𝑦, 𝐴𝑧) 𝐴 = Ԧ 𝐴 = 𝐴𝑥 2 + 𝐴𝑦 2 + 𝐴𝑧 2 𝑖𝐴 = Ԧ 𝐴 Ԧ 𝐴 E n g i n e e r i n g F u n d a
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- 6. Resultant of twovector Ԧ 𝐴 𝐵 Ԧ 𝐶 𝑨 𝐜𝐨𝐬 𝜽 𝑨 𝐬𝐢𝐧 𝜽 ❑ As Pythagoras theorem 𝐶2 = (𝐵 + 𝐴 cos 𝜃)2+(𝐴 sin 𝜃)2 𝐶2 = 𝐵2 + 2𝐴𝐵 cos 𝜃 + (𝐴 cos 𝜃)2+(𝐴 sin 𝜃)2 𝐶2 = 𝐵2 + 2𝐴𝐵 cos 𝜃 + 𝐴2 E n g i n e e r i n g F u n d a
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