Multiple Choice
If a compass is moved from the northern hemisphere to the southern hemisphere,its magnetic needle will change direction
A) by 180 degrees.
B) depending on where the measurement is taken.
C) by 90 degrees.
D) hardly at all.
E) none of these
Correct Answer:

Verified
Correct Answer:
Verified
Q6: Outside a magnet,magnetic field lines are conventionally
Q7: Magnetism is due to the motion of
Q8: Superconducting electromagnets<br>A)exist now.<br>B)may be possible in the
Q9: Magnetic compasses apparently were first used by<br>A)Columbus.<br>B)Greeks.<br>C)Australian
Q10: The field surrounding every moving electron is<br>A)always
Q12: Compared to the huge force that attracts
Q14: Magnet A has twice the magnetic field
Q15: Pigeons navigate primarily by<br>A)a good memory.<br>B)a keen
Q16: Several paper clips dangle from the north
Q24: Like kinds of magnetic poles repel while