Electricity & Magnetism

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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원형 도선 주위의 자기장 Magnetic Field around a Circular Wire

Magnetic Field around a Circular Wire

Magnetic field is the area surrounding a magnet in which the magnetic force exists. The magnetic field is also formed around the conductor through which the current flows. This is electromagnetism. The direction of the magnetic field can be determined…
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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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직렬 회로와 병렬 회로 Serial Parallel Circuit

Serial Parallel Circuit

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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직렬 회로와 병렬 회로 Serial Parallel Circuit 2

Serial Parallel Circuit 2

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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호모폴라 전동기 Homopolar Motor

Homopolar Motor

The current flowing in the wire is in the X direction and the magnetic field is in the Y direction. In what direction is the electromagnetic force? ‘Homopolar motor’ refers to a motor operated by using only one polarity of…
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전하량 보존 법칙 Charge Conservation

Charge Conservation

In serial circuit, The current is the same everywhere. 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.…
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