Multiple Choice
A horizontal wire of length 3.0 m carries a current of 6.0 A and is oriented so that the current direction is 50° S of W.The Earth's magnetic field is due north at this point and has a strength of 0.14 × 10−4 T.What is the direction of the force on the wire?
A) out of the Earth's surface
B) toward the Earth's surface
C) due east
D) 40° S of E
Correct Answer:
Verified
Correct Answer:
Verified
Q74: A proton,which moves perpendicular to a magnetic
Q75: Geophysicists today generally attribute the existence of
Q76: A beam of electrons is sent in
Q77: The term magnetic declination refers to which
Q78: Niobium metal becomes a superconductor (with electrical
Q80: In a mass spectrometer,an ion will have
Q81: A bar magnet is attached solidly to
Q82: The magnetic field of the Earth is
Q83: A wire is lying horizontally in the
Q84: A deuteron,with the same charge but twice