You said that the frequency is 440 Hz.
Period = 1/frequency = 1/440 of a second .
The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them. This means that the force of gravity increases with mass, but decreases with increasing distance between objects.
Answer:
B) generator
Explanation:
Alternating current is a type of current that changes direction periodically which is produced by a generator. This generator consists of a magnet and a loop of wire which rotates in the magnetic field of the magnet.
Therefore, from the given question, alternating current is normally produced by a generator.
Option B is the correct answer
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