4.3 TRANSFORMER

4.3 TRANSFORMER

5th Grade

7 Qs

quiz-placeholder

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4.3 TRANSFORMER

4.3 TRANSFORMER

Assessment

Quiz

Physics

5th Grade

Practice Problem

Hard

Created by

Azma Azma

Used 2+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

A

B

C

D

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A

B

C

D

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

A

B

C

D

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A

B

C

D

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Berikut adalah kaedah bagi mengurangkan kehilangan tenaga dalam suatu transformer, KECUALI

menggunakan dawai kuprum yang lebih nipis

menggunakan teras besi lembut

menggunakan teras besi berlamina

melilit gegelung sekunder di atas gegelun primer

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Arus pusar dalam suatu transformer akan menyebabkan

fluks magnet yang dihasilkan oleh arus primer tidak dipautkan sepenuhnya kepada gegelung sekunder

teras besi yang panas membebaskan tenaga haba ke persekitaran

pemanasan dawai yang menyebabkan tenaga haba dibebaskan ke persekitaran

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nyatakan jenis transformer yang digunakan sebelum penghantaran tenaga elektrik.

Transformer injak naik

Transformer injak turun

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