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WorksheetsF3 SCIENCE CHAP 6
Total questions: 15
Worksheet time: 8mins
Apakah jenis transformer ini? / What is the type of transformer?
Transformer injak naik / Step-up transformer
Transformer injak turun / Step-down transformer
Apakah jenis transformer ini? / What is the type of transformer?
Transformer injak naik / Step-up transformer
Transformer injak turun / Step-down transformer
Namakan bahagian (i). / Name the part of (i).
Gegelung primer / Primary Coil
Gegelung sekunder / Secondary Coil
Teras besi lembut / Soft iron core
Namakan bahagian (ii). / Name the part of (ii).
Gegelung primer / Primary Coil
Gegelung sekunder / Secondary Coil
Teras besi lembut / Soft iron core
Namakan bahagian (iii). / Name the part of (iii).
Gegelung primer / Primary Coil
Gegelung sekunder / Secondary Coil
Teras besi lembut / Soft iron core
Apakah yang dimaksudkan dengan "voltan input"? / What is meant by "input voltage"?
Voltan yang telah diubah oleh transformer. / The voltage that had been changed by the transformer.
Voltan yang dibekalkan oleh sumber. / The voltage supplied by the source.
Apakah yang dimaksudkan dengan "voltan output"? / What is meant by "output voltage"?
Voltan yang telah diubah oleh transformer. / The voltage that had been changed by the transformer.
Voltan yang dibekalkan oleh sumber. / The voltage supplied by the source.
Apakah jenis arus yang digunakan dalam transformer? / What is the type of current used in transformer?
(a)
Voltan output lebih tinggi daripada voltan input. Ini adalah transformer __________________. / The output voltage is higher than the input voltage. This is ____________transformer.
(a)
Berapakah nilai voltan input pada soket elektrik dirumah anda?
24
240
2400
2.4
The transformer is a device used to .......... the value of a voltage.
steady
resist
change
anchor
Which of the following is an example of appliance using alternating power source?
Electrical symbol of a TRANSFORMER
A transformer has an output voltage of 40 V and an output current of 5 A. The input current is 0.25 A and the primary coil has 50 turns.
How many number of turns are in the secondary coil?
25 turns
2.5 turns
250 turns
2,500 turns
Eddy current will reduce the effieciency of transformer, what is the way to increase the efficiency of the transformaer?
Laminate soft iron plate
laminated iron terrace
thick wire coil
thin wire coil
