Question
Students conduct another investigation using insulated wire and a steel nail. They increase the number of coils to 50 and add a third battery. Which best describes what happens to the magnetic field?
A.
The magnetic field becomes weaker, decreasing the number of paper clips.
B.
The magnetic field becomes stronger, increasing the number of paper clips.
C.
The increase in coils and battery cancels each other out, resulting in no magnetic field.
D.
The increase in coils interferes with the third battery, resulting in a weaker magnetic field.
A.
The magnetic field becomes weaker, decreasing the number of paper clips.
B.
The magnetic field becomes stronger, increasing the number of paper clips.
C.
The increase in coils and battery cancels each other out, resulting in no magnetic field.
D.
The increase in coils interferes with the third battery, resulting in a weaker magnetic field.
Answers
GPT-4o mini
The best option that describes what happens to the magnetic field when the students increase the number of coils to 50 and add a third battery is:
**B. The magnetic field becomes stronger, increasing the number of paper clips.**
Increasing the number of coils in the wire increases the strength of the magnetic field generated by the current flowing through it. Additionally, adding more batteries increases the voltage, which can further enhance the strength of the magnetic field, making it more capable of picking up more paper clips.
**B. The magnetic field becomes stronger, increasing the number of paper clips.**
Increasing the number of coils in the wire increases the strength of the magnetic field generated by the current flowing through it. Additionally, adding more batteries increases the voltage, which can further enhance the strength of the magnetic field, making it more capable of picking up more paper clips.