Elektrisiteit & Stroombane Flashcards

1
Q

Verduidelik Ampère

A

Maateenheid

Ekwivalent aan ‘n Coulomb per sekonde

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2
Q

Die funksie van ‘n kapasitor

A

Stoor elektriese lading

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3
Q

Kapasitor

A

‘n Stroombaankomponent wat elektriese lading stoor en onmiddelik vrystel

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4
Q

Hoe sal V oor ‘n battery (met interne weerstand) verander namate I toeneem?

A

Verminder

As I toeneem: neem Ir toe, oftwel verlore volts neem toe

Vext = emf - Ir **, neem af

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5
Q

Ohm

A

Maateenheid van elektriese weerstand

Ω

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6
Q

Elektromagnetiese induksie

A

Die basiese beginsel waarop elektriese generators werk

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7
Q

Waarom moet elektrisiteit (van ‘n kragstasie) teen hoë V en lae I oorgedra word?

A

Minder verlies aan elektriese energie as hitte

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8
Q

Diëlektrikum

A

Isoleermateriaal tussen die plate van kapasitors

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9
Q

Die maateenheid van elektriese veld

A

N.C-1 Newton per coulomb

of V.m-1 Volt per meter

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10
Q

Weerstand

A

Die eienskap van ‘n geleier gegee as die verhouding van die toegepaste potensiaalverskil tot die stroom deur die geleier.

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11
Q

Kapasitansie

A

Die verhouding van die hoeveelheid lading oorgedra tot die gevolglike potensiaalverskil oor ‘n kapasitor

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12
Q

Ohm se wet

A

Die stroom in ‘n geleier is direk eweredig aan die potensiaalverskil oor sy ente by konstante temperatuur

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13
Q

Potensiaalverskil

A

Die arbeid verrig per eenheidslading wat tussen twee punte in ‘n elektriese veld beweeg

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