A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
longer wires fewer wire coils an aluminum core a larger power source
A B C D
Question: A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
A. longer wires
B. fewer wire coils
C. an aluminum core
D. a larger power source
Answer:
A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
fewer wire coils longer wires a larger power source an aluminum core
A B C D
Question: A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
A. fewer wire coils
B. longer wires
C. a larger power source
D. an aluminum core
Answer:
C
A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
longer wires fewer wire coils an aluminum core a larger power source
1 2 3 4
Question: A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
1. longer wires
2. fewer wire coils
3. an aluminum core
4. a larger power source
Answer:
4
A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
longer wires fewer wire coils an aluminum core a larger power source
C R Q O
Question: A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
C. longer wires
R. fewer wire coils
Q. an aluminum core
O. a larger power source
Answer:
O
A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
fewer wire coils longer wires a larger power source an aluminum core
C R Q O
Question: A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
C. fewer wire coils
R. longer wires
Q. a larger power source
O. an aluminum core
Answer:
Q