An electromagnet consists of a
A) bar magnet that carries an electric current.
B) coil of wire.
C) current-carrying coil with a piece of iron inside.
Correct Answer:
Verified
Q15: The intensity of cosmic rays bombarding the
Q18: Magnetic domains normally occur in
A)iron.
B)copper.
C)silver.
D)all of the
Q19: Compared to the huge force that attracts
Q20: Magnetism is due to the motion of
Q21: No magnetic force acts on a current
Q24: Superconducting electromagnets
A)exist now.
B)may be possible in the
Q25: Magnetic field lines about a current-carrying wire
A)extend
Q26: Surrounding our planet Earth are
A)cosmic rays.
B)magnetic fields.
C)both
Q28: The magnetic field strength inside a current-carrying
Q37: A magnetic field exists in a current-carrying
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents