A cactus would probably be the kind of vegitation you would find
Answer:
Spinning permanent magnets within an array of fixed permanent magnets.
Explanation:
Any relative motion between magnets (be they permanent or electromagnetic) and a coil of wire will induce an electric current in the coil.
What will not induce an electric current is the relative motion between the two coils of wire (because there is no change in magnetic field), or the relative motion between two magnets (there are no coils of wire to induce the current into).
Therefore, spinning permanent magnets within an array of fixed permanent magnets does not induce an electric current.
<em>In all other choices, coils of wire are there to be induced current into, and magnets are present to create changing magnetic fields. </em>
The Milky Way galaxy ...
-- Is farthest from the sun.
No. The sun (and the whole solar system, including US)
is IN the Milky Way galaxy.
-- Has the most stars.
No. It's a pretty big galaxy, but we can see others that are bigger.
-- Has the biggest stars.
No. Every galaxy has the whole spread of sizes,
from dwarf stars top super giants.
-- Contains our solar system.
Yes ! That's it. We live in the Milky Way galaxy.
The energy of the wave is D) 16.0 units squared
Explanation:
The energy of a wave is directly proportional to the square of the amplitude of the wave.
Mathematically, this can be written as
where
E is the energy of the wave
A is its amplitude
For the wave in this problem, the amplitude is
A = 4 units
Therefore, assuming that the constant of proportionality is 1, the energy of this wave is
units squared
Learn more about waves:
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Answer:
• Bring another magnet wound with a copper wire, at the top of the fixed magnet. Here EMF will be generated by mutual induction
Explanation:
