Question
An electromagnet is created using a battery, an insulated copper wire and an iron nail. The wire is wrapped around the nail 20 times and attached to the battery. Which pair of changes will definitely increase the strength of the electromagnet?
Responses
A Increase the voltage of the battery and decrease the number of turns of the coil.Increase the voltage of the battery and decrease the number of turns of the coil.
B Decrease the voltage of the battery and decrease the number of turns of the coil.Decrease the voltage of the battery and decrease the number of turns of the coil.
C Increase the voltage of the battery and increase the number of turns of the coil.Increase the voltage of the battery and increase the number of turns of the coil.
D Decrease the voltage of the battery and increase the number of turns of the coil.
Responses
A Increase the voltage of the battery and decrease the number of turns of the coil.Increase the voltage of the battery and decrease the number of turns of the coil.
B Decrease the voltage of the battery and decrease the number of turns of the coil.Decrease the voltage of the battery and decrease the number of turns of the coil.
C Increase the voltage of the battery and increase the number of turns of the coil.Increase the voltage of the battery and increase the number of turns of the coil.
D Decrease the voltage of the battery and increase the number of turns of the coil.
Answers
GPT 3.5
C Increase the voltage of the battery and increase the number of turns of the coil.
Related Questions
An electromagnet can be made by wrapping insulated wire around an iron nail and connecting the ends...
A student builds an electromagnet using a battery, an iron nail. and some insulated wire. The wire...
A student wraps copper wire around an iron nail. Then she connects the ends of the wire to a battery...
Natosha wants to create her own electromagnet that can pick up small pieces of metal like paper, cli...