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Lecture_02_(Chap.14)

Lecture_02_(Chap.14) - The Physical Concept of Field Field...

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1 The Physical Concept of ‘Field’ Field: physical quantity, can be scalar or vector Examples: Temperature T(x,y,z,t) Gravitational field g m F = E q F = m q 2 0 1 ˆ 4 Q E r r πε =  2 ˆ M g G r r = −  
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