Magnet A has twice the magnetic field strength of magnet B and pulls on magnet B with a force of 100 N.The amount of force that magnet A exerts on magnet B is
A) about 50 N.
B) exactly 100 N.
C) more than 100 N.
D) not enough information
Correct Answer:
Verified
Q1: Magnetism is due to the motion of
Q4: Every spinning electron is
A)electrically charged.
B)a tiny magnet.
C)both
Q7: A compass needle in a magnetic field
Q7: Surrounding every moving electron is
A)a magnetic field.
B)an
Q9: Compared with the huge force that attracts
Q10: A strong magnetic field easily penetrates
A)human flesh.
B)plastic
Q12: A magnet will become weaker if it
Q13: An iron rod becomes magnetic when
A)opposite ions
Q17: Surrounding every stationary electron is
A)a magnetic field.
B)an
Q19: Like kinds of magnetic poles repel while
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