2633042
Beschreibung
Quiz von Yahya AbdelAal, aktualisiert more than 1 year ago
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Erstellt von Yahya AbdelAal
vor mehr als 9 Jahre
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Frage 1
Frage
What is a transistor?
Antworten
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An electrical switch
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A type of resistor
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A coil
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None of the above
Frage 2
Frage
How do you magnetise an iron bar using a magnet
Antworten
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Stroking it back and forth
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Stroking it only one way
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Hammering it
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All of the above
Frage 3
Frage
How do you demagnetise an iron bar using coil
Antworten
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Leave it in the coil for a few minutes
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Keep moving it in and out of the coil for a few time
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Take it out of the coil
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None of the above
Frage 4
Frage
If lamp A has a current of 1.5 what will the current be in lamp B?
Antworten
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2A
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5A
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1.5A
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10A
Frage 5
Frage
If the switch was closed, which lamp will turn on?
Antworten
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The one in the middle
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The one at the top
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Both of them
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None of them
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