Multiple Choice
Which of the following devices makes use of an electromagnet?
A) relay
B) motor
C) both A and B
D) None of the above.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q23: If an electron is released at the
Q23: Two parallel wires are separated by 0.25
Q25: A proton,which moves perpendicular to a magnetic
Q26: A superconducting wire carries a current of
Q28: A high-voltage power line 20 m above
Q29: A copper wire of length 10 cm
Q30: The magnetic domains in a magnetized piece
Q31: A 2.0-m wire segment carrying a current
Q37: Two long parallel wires are a distance
Q58: A proton and an alpha particle are