Electricity & Magnetism

자석은 왜 못을 끌어 당길까? Magnetic Induction

Magnetic Induction

Magnetic force appears Between magnets. The pushing force appears between the same poles, and the pulling force between the other poles. Generally, iron is not a magnet. However, if an iron is near the another magnet, iron has the property…
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저항의 연결 Resistance Connection

Resistance Connection

In parallel circuit, The current splits up when it comes to a branch. The current in all the branches adds up to the current in the main part of the circuit. If one bulb breaks, the bulbs in the other…
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LC 필터 LC Filter

LC Filter

Expect a waveform through the filter. You can see the answer by clicking on the black question mark button. Caution! Do not try to see the answer immediately. LC Filter LC filter is passive components which pass or reject specific…
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인덕터 Inductor

Inductor application circuit

An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores electrical energy in a magnetic field when electric current flows through it. Inductors are widely used in alternating current(AC) electronic equipment, particularly in…
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트랜지스터 Transistor 2

Transistor application circuit

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. The above simulation is based on…
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전자기파의 종류 Electromagnetic Waves

Electromagnetic Waves

Touch the screen to change the wavelength of the electromagnetic wave. Electromagnetic radiation refers to the waves of the electromagnetic field, radiating through space-time, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma…
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변압기 Electric Transformer

Electric Transformer

Touch the screen to change the number of turns of the coil. What is the relationship between the number of coil turns and the voltage? * This simulation shows only the relationship between coil and voltage. What is the maximum…
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막대자석 주위의 자기장 Magnetic Field around a Bar Magnet

Magnetic Field around a Bar Magnet

Magnetic field is the area surrounding a magnet in which the magnetic force exists. The lines of magnetic field from a bar magnet form closed lines. By convention, the field direction is taken to be outward from the North pole…
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병렬 회로의 이해 Parallel Circuit

Parallel Circuit

Parallel Circuit is a closed circuit in which the current follows more than one pathway. In parallel circuit, if one bulb breaks, the bulbs in the other branch stay on. In parallel circuit, the current splits up when it comes…
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