A student built a simple electromagnet with copper wire, an iron bolt, and a 1.5-volt battery. The electromagnet was able to lift a paper clip from 3 centimeters away. Select THREE ways the student can increase the strength of his electromagnet.%0D%0A%0D%0AA. %0D%0AHe can use a thicker piece of copper wire.%0D%0A%0D%0A%0D%0AB. %0D%0AHe can reverse the orientation of the battery.%0D%0A%0D%0A%0D%0AC. %0D%0AHe can replace the iron bolt with a wooden rod.%0D%0A%0D%0A%0D%0AD. %0D%0AHe can add a switch between the battery and the iron bolt.%0D%0A%0D%0A%0D%0AE. %0D%0AHe can replace the 1.5-volt battery with a battery of higher voltage.%0D%0A%0D%0A%0D%0AF. %0D%0AHe can use a longer piece of wire that wraps more times around the bolt.

Question

A student built a simple electromagnet with copper wire, an iron bolt, and a 1.5-volt battery. The electromagnet was able to lift a paper clip from 3 centimeters away. Select THREE ways the student can increase the strength of his electromagnet.%0D%0A%0D%0AA. %0D%0AHe can use a thicker piece of copper wire.%0D%0A%0D%0A%0D%0AB. %0D%0AHe can reverse the orientation of the battery.%0D%0A%0D%0A%0D%0AC. %0D%0AHe can replace the iron bolt with a wooden rod.%0D%0A%0D%0A%0D%0AD. %0D%0AHe can add a switch between the battery and the iron bolt.%0D%0A%0D%0A%0D%0AE. %0D%0AHe can replace the 1.5-volt battery with a battery of higher voltage.%0D%0A%0D%0A%0D%0AF. %0D%0AHe can use a longer piece of wire that wraps more times around the bolt.

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1 answer
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Answer 1

Bot GPT 3.5 answered
5 months ago

The student can increase the strength of his electromagnet by:

A. Using a thicker piece of copper wire.
D. Adding a switch between the battery and the iron bolt.
E. Replacing the 1.5-volt battery with a battery of higher voltage.