Energy and Forces Unit Test
13 of 2013 of 20 Items
Question
Use the model to answer the question.
The model shows a simple electromagnet that does not attract metal objects.
An illustration shows the electromagnet cannot attract pins once disconnected from a source of electricity.
Which observation or inference is correct?
(1 point)
Responses
The wire was not connected to the source.
The wire was not connected to the source.
The model needs a switch in order to work.
The model needs a switch in order to work.
The metallic objects lost their magnetic domains.
The metallic objects lost their magnetic domains.
The battery was replaced with a lower voltage.
1 answer
The wire was not connected to the source.
4 answers