'n Diagram van 'n transformator word hieronder getoon - NSC Technical Sciences - Question 10 - 2021 - Paper 1
Question 10
'n Diagram van 'n transformator word hieronder getoon. Die transformator het 1 500 windings op die primêre spoel en 80 windings op die sekondêre spoel. Die primêre p... show full transcript
Worked Solution & Example Answer:'n Diagram van 'n transformator word hieronder getoon - NSC Technical Sciences - Question 10 - 2021 - Paper 1
Step 1
Definieer 'n transformator.
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'n Transformator is 'n toestel wat gebruik word om die potensiaalverskil te verhoog of te verlaag.
Step 2
Bepaal die waarde van die sekondêre potensiaalverskil.
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Met behulp van die verhouding van die windings kan ons die sekondêre potensiaalverskil (Vs) bepaal:
VpVs=NpNs
Met: Vp=120V, Np=1500, Ns=80.
Wanneer ons die waardes invul:
Vs=Vp×NpNs=120×150080=6.4V.
Dus is die sekondêre potensiaalverskil 6.4 V.
Step 3
Identifiseer die tipe generator wat voorgestel word deur FIGUUR 1.
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FIGUUR 1 is 'n DC generator.
Step 4
Identifiseer die tipe generator wat voorgestel word deur FIGUUR 2.
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FIGUUR 2 is 'n AC generator.
Step 5
Noem komponent A.
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A is 'n kommutator.
Step 6
Noem komponent B.
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B is 'n slip ring.
Step 7
Noem die funksie van komponent A.
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Die kommutator handhaaf elektriese kontak tussen die las en die (roterende) spoel in 'n DC generator.