Wave Period: Definition, Frequency, Velocity, Magnetic Field and Oersted's Experiment
Wave Period: Definition, Frequency, Speed, Magnetic Field and Oersted's Experiment – What do you mean by Wave Period? On this occasion About the knowledge.co.id will discuss it, including the frequency and of course other things that also cover it. Let's look at the discussion together in the article below to better understand it
Wave Period: Definition, Frequency, Velocity, Magnetic Field and Oersted's Experiment
Waves are vibrations that propagate, vibrations are motion back and forth repeatedly through the balance point. The vibrations in a simple swing made by tying a light weight to a rope have a force whose magnitude is directly proportional to the displacement. The direction is always towards a position of balance. (Gunawan, 2000, h: 108)
Frequency
Wave frequency is the number of waves that occur in one unit of time. Frequency is denoted by the letter "f" and with units of Hertz or commonly abbreviated as Hz.
The formula for finding the magnitude of the frequency: f = T
Period
The period is the time interval it takes for one wave to pass. The period is denoted by the letter "T" and the units are seconds. What is called a perfect wave on a transverse wave is a wave movement from the balanced position to the the crest of the wave then returns to the balance position then to the trough of the wave until it returns to the position balanced.
Hurry Up
Waves that propagate straight from one point to another require time, in other words, waves have the speed to propagate. So the wave speed is the distance traveled by the wave in one unit of time. The wave speed is given the symbol "V" with units of m/sec.
λ
The formula for finding the speed of wave propagation:
V =T= λ. f
note: V: fast wave propagation
λ: wavelength
Q: period
f: frequency
Magnetic Field
The magnetic properties of the magnetic mineral (Fe3O4) found in rocks in Magnesia (name a area in Asia Minor) known to the Greeks since several centuries ago (circa 600 BC). At that time a number of people knew that magnetic or charged stones had the property of being able to attract iron particles towards them. Thales, a Greek mathematician and astronomer (640 – 546 BC) is known as a person who paid a lot of attention to this trait. (Kanginan, 1996, p: 150)
The word magnet seems to come from magnesia, where people first found charged stones. China was the first nation to use this charged stone as a compass (direction) both on land and at sea. Historical records show that the voyage between Canton, China and Sumatra in 1000 was made according to the direction of the magnetic compass.
At present, humans have been able to make magnets from iron, steel, or other metal alloys. Magnets are widely used in electronic devices such as microphones, telephones, electric bells, and many other electronic equipment. Electromagnets (electric magnets) that produce strong magnetic fields can be used to lift junk made of very heavy metal.
Magnetic Field Around a Magnet
As we know, if a permanent magnet is suspended horizontally and is free to rotate, and there are no materials nearby other magnetic nature, then the permanent magnet tip will always rotate and stop after being aligned with the north - south direction earth. The end of the magnet that points north is called the north pole, while the end that points south is called the south pole. When we place another magnet.
Near a magnet, the magnet will experience an attractive or repulsive force. So it can be defined that the magnetic field is the space around the magnet where other magnets placed in this space will feel or experience a magnetic force. (Kanginan, 1996, p: 152). Like electric fields, magnetic fields can be described by imaginary lines called field lines or lines
- style line. The shape of the magnetic field is indicated by the pattern formed by the lines
- magnetic field lines. Like a line
- electric field lines, there are three rules for magnetic fields, namely:
- Magnetic field lines never intersect.
- Magnetic field lines always radiate outward away from the north pole and inward radially toward the south pole.
- A place where the magnetic field lines are dense indicates a strong magnetic field, whereas a place where the magnetic field lines are spaced out indicates a weak magnetic field.
Oersted's experiment
Oersted's experiment was carried out by placing a compass near a conductor carrying an electric current. When an electric current flows through the conductor, it turns out that the compass needle deviates. By changing the polarity of the battery, which means reversing the direction of the current through the conductor, it turns out that the compass needle deviates in the opposite direction. If previously the compass needle deviated to the right, then with the reversal of the current through the conductor, the compass needle deviates to the left.
From Oersted's experiment it can be concluded:
a. Around a conductor carrying an electric current there is a magnetic field.
b. The direction of the magnetic force that deflects the compass needle depends on the direction of the electric current flowing in the conductor.
Thus the review from About the knowledge.co.id about Wave Period: Definition, Frequency, Velocity, Magnetic Field and Oersted's Experiment, hopefully can add to your insight and knowledge. Thank you for visiting and don't forget to read other articles.
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