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Online Physics Glossary
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Word Meaning Remarks
Rutherfordís model of atom Nuclear model of atom; essentially all mass in compact, positively- charged object at center, surrounded by electrons.
Scalar Quantity, like distance, that has only a magnitude, or size.
Schematic diagram Representation of electric circuit using symbols.
Scientific notation Numbers expressed in form M * 10 ^ n , where 1< M < 10, and n is an integer.
Scintillation Flash of light emitted when substance is struck by radiation.
Second SI unit of time.
Second law of thermodynamics Heat flow only from region of high temperature o region of lower temperature.
Secondary coil Transformer coil in which varying EMF is induced.
Secondary light colors Yellow, cyan, or magenta light.
Secondary pigment Red, green, or blue pigment.
Self- inductance Induced EMF produced in coil by changing current.
Semiconductor Material in which electrical conduction is smaller than that in a conductor, but more than in insulator.
Series circuit Circuit in which electrical current flows through each component, one after another.
Series connection Arrangement of electrical devices so that there is only one path through which current can flow.
Short circuit Low resistance connection between two points, often accidental.
 
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