Which material is often used to protect sensitive instruments from electromagnetic fields?
A) iron
B) nickel
C) alnico
D) steel
Correct Answer:
Verified
Q5: Which term describes the ability of a
Q6: One of the most common types of
Q7: Because all materials have some ability to
Q8: According to the left-hand rule for a
Q9: According to the electron theory of magnetism,
Q10: Which term applies to magnetism that remains
Q11: A(n) _ is also known as an
Q12: Air is the best conductor of magnetism.
Q13: The unit of measurement for flux in
Q15: A(n) _ produces a magnetic field.
A) electric
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