A circular coil lies flat on a horizontal surface. A bar magnet is held above the center of the coil with its north pole pointing down
If the magnet is dropped from this position what is the direction of the induced current in the coil, as viewed from above? A) counterclockwise
B) clockwise
C) An emf but no current is induced in the coil.
D) There is no current in the coil.
A
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If a person's eyeball is too short from front to back, the person is likely to suffer from
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In his calculations, Bohr came across a number now called the "Bohr radius". This number is 5.29 X 10-11 m and is
Three resistors of 4.0, 6.0, and 10.0 ? are connected in parallel. If the combination is connected in series with a 12.0-V battery and a 2.0-? resistor, what is the current through the 10.0-? resistor?
A) 0.59 A B) 2.7 A C) 6.4 A D) 11.2 A E) 16.0 A