
Trydan Domestig a Diogelwch
Authored by Huw Evans
Physics, Science
10th Grade
Used 4+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae ffiws yn torri cylched?
Mae’n torri cysylltiad os yw llif y cerrynt yn wahanol yn y wifren fyw a’r wifren niwtral.
Mae’r wifren yn torri os mae’r cerrynt rhu uchel.
Mae electromagned yn torri’r gylched os yw’r cerrynt yn codi dros werth penodedig.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pwrpas ffiws yw i ddiogeli beth?
Pobl
Y gylched
Y plwg
Y periant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os mae gwefrydd cliniadur (laptop) yn tynnu cerrynt o 3A, pa faint ffiws dylid defnyddio yn y plwg?
3A
5A
8A
13A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae cyfrifo'r cerrynt sy'n llifo drwy ddyfais?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae Dyfais Cerrynt Gweddilliol (Residual Current Device, RCD) yn gweithio?
Mae’n torri cysylltiad os yw llif y cerrynt yn wahanol yn y wifren fyw a’r wifren niwtral.
Mae’r wifren yn toddi os mae’r cerrynt rhu uchel.
Mae electromagned yn torri’r gylched os yw’r cerrynt yn codi dros werth penodedig.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sut mae torrwr cylched bach, MCB yn gweithio?
Mae’n torri cysylltiad os yw llif y cerrynt yn wahanol yn y wifren fyw a’r wifren niwtral.
Mae’r wifren yn toddi os mae’r cerrynt rhu uchel.
Mae electromagned yn torri’r gylched os yw’r cerrynt yn codi dros werth penodedig.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth mae torrwr cylched bach (MCB) yn diogeli?
Pobl
Y gylched
Y peiriant
Y plwg
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