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Physics key terms
Foundations of chemistry and Electrons and photons
Term | Definition |
---|---|
What is means by scalar quantity? | A quantity that has only magnitude |
What is a vector quantity? | A quantity that has magnitude and direction |
Is acceleration a vector or a scalar? | Vector |
Is mass a scalar or a vector ? | Scalar |
What is electric current? | The rate of flow of charge |
Give 2 examples of possible charge carriers? | 1) Electrons in metals 2)Ions in electrolytes |
What is conventional current? | The flow of positive charge |
What is kirchoff's first law? | Charge is conserved |
What is meant by drift velocity? | The average velocity of the charge carriers due to the applied electric field. |