Conservation of Charge (Grade 10 NSC Matric Physical Sciences): Flashcards

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Conservation of Charge
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Conservation of charge principle

Net charge of isolated system remains constant

Can charge be created or destroyed?

No, only transferred between objects

Conductors

Materials that let electrons move easily through them

Insulators

Materials that don't allow charge carriers to move through

Charge behaviour on insulators

Stays exactly where it was put

Charge behaviour on conductors

Spreads out over entire outside surface

Charge sharing: identical spheres touch

Q=Q1+Q22Q = \frac{Q_1 + Q_2}{2}

Value of elementary charge ee

e=1.6×10−19e = 1.6 \times 10^{-19} C

Quantisation of charge formula

Q=nqeQ = nq_e where nn is an integer

SI unit of charge

Coulomb (C)

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