Pulsar planets are _____
a. huge gas planets that could be classified as brown dwarfs
b. asteroids captured from interstellar space
c. observed, but not fully understood
d. predicted, but have not been observed
e. Earth-like, and may harbor life
c
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Almost all of the gas and dust in the Milky Way is located in the ____
a. halo b. central bulge c. disk d. corona e. center
Measuring the light reflected from a planet's surface and/or atmosphere allows us to determine its
A) chemical composition B) physical size C) temperature D) distance
A coil of 160 turns and area 0.20 m2 is placed with its axis parallel to a magnetic field of 0.40 T. The magnetic field changes from 0.40 T in the x-direction to 0.40 T in the negative x-direction in 2.0 s
If the resistance of the coil is 16 ?, at what rate is power generated in the coil?
If an R = 1.0-k? resistor, a C = 1.0-?F capacitor, and an L = 0.20-H inductor are connected in series with a V = 150 sin (377t) volts source, what is the maximum current delivered by the source?
a. 0.007 0 A b. 27 mA c. 54 mA d. 0.31 A e. 0.34 A