Bl. 19 & 20 Flashcards

1
Q

Hoekom benodig ons verskillende tipes smeltdrade?

A

Omdat verskillende stroombane verskillende sterkte strome het.

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2
Q

Hoekom is smeltdrade gemaak om te smelt wanneer die stroombaan oorverhit?

A

Sodat die brandgevaar verminder word en elektroniese apparaat beskerm word.

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3
Q

Hoekom is dit belangrik om nooit ‘n smeltdraad uit ‘n stroombaan te verwyder sonder om eers die stroom af te skakel nie?

A

Jy kan ‘n groot elektriese skok kry as jy dit doen.

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4
Q

Wat is ‘n kortsluiting/ Wanner vind dit plaas?

A

‘n Kortsluiting gebeur wanneer ‘n ander makliker (minder weerstand) pad per ongeluk in ‘n elektriese stroombaan geskep word.

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5
Q

Wat is ‘n alternatiewe toestel vir smeltdraad?

A

Stroombrekers wat die stroombaan breek en weer heringestel kan word sodra die probleem met die stroombaan herstel is.

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6
Q

Waar of vals:
Meeste moderne huise gebruik smeltdrade.

A

Vals, meeste moderne huise gebruik stroombrekers.

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7
Q

Dien ‘n stroombreker dieselfde doel as smeltdraad? (Stop stroomvloei om so die stroombaan teen skade a.g.v. oorlading of ‘n kortsluiting te beskerm.)

A

Ja.

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8
Q

Waar of vals:
Die herinstelling van stroombrekers kan met die hand, sowel as outomaties, gedoen word.

A

Waar

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9
Q

Waar word stroombrekers gewoonlik gevind?

A

By elektriese skakelborde.

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10
Q

Wat is ‘n magneet?

A

‘n Stuk materiaal wat ‘n magneetveld besit.

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11
Q

Watter 2 pole het ‘n magneet?

A

‘n Noord-pool en ‘n Suid-pool.

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