Square coil A has 2N turns and sides of length L, and square coil B has N turns and sides of length 2L. When a current of 2 amps is sent through coil A and a current of 1 amp is sent through coil B, which coil has the greater magnetic moment?
a. coil A
b. coil B
c. Both have the same magnetic moment.
d. More information is needed.
c
You might also like to view...
Interstellar gas is composed of:
A) only hydrogen. B) 90% hydrogen, 9% helium by weight. C) 10% hydrogen, 90% helium by numbers of atoms. D) some hydrogen, but mainly carbon dioxide. E) ammonia, methane, and water vapor.
If 3.0 × 1015 electrons flow through a section of a wire of diameter 2.0 mm in 4.0 s, what is the current through the wire? (e = 1.60 × 10-19 C)
A) 0.12 mA B) 0.24 mA C) 7.5 × 107 A D) 7.5 × 1014 A
A point on the rim of a 0.25-m-radius rotating wheel has a centripetal acceleration of 4.0 m/s2 . What is the angular speed of the wheel?
a. 1.0 rad/s b. 2.0 rad/s c. 3.2 rad/s d. 4.0 rad/s
One mole of "o" gas is confined to volume V/2 by a thin membrane with one mole of "x" gas on the other side. Both gases are at the same temperature