Electricity & Magnetism

알루미늄 깡통과 철 깡통 분리하기 Separation of Steel and Aluminum

Separation of Steel and Aluminum

Iron Aluminium How can you classify iron and aluminum? Iron cans stick well to the magnet. However, aluminum cans do not stick well to magnets. If the last wheel of the conveyor belt is magnet, the iron cans is sticked…
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인덕터와 커패시터 Inductor and Capacitor 3

Inductor and Capacitor 3

Run High frequency alternating currents are difficult to pass through the inductor. An inductor is a part made by winding a wire. In the case of direct current, the inductor only works as a lead. When an AC voltage is…
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인덕터와 커패시터 Inductor and Capacitor 2

Inductor and Capacitor 2

Run High frequency alternating currents are difficult to pass through the inductor. An inductor is a part made by winding a wire. In the case of direct current, the inductor only works as a lead. When an AC voltage is…
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인덕터와 커패시터 Inductor and Capacitor

Inductor and Capacitor

Run   Switch Why does the current gradually increase in the inductor? When a current starts to flow in the inductor, a magnetic field is generated around the inductor at the same time. This change in magnetic field induces electromagnetic…
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자화 Magnetization

Magnetization of Paramagnetic substance

Generally, iron is not a magnet. However, near the magnet, it is affected by the magnet and has the property of a magnet. Therefore, iron sticks to the magnet. In this way, the material that becomes magnetic by the side…
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얇은 도체 표면의 전하 분포 Charge Distribution on a thin Conductive Plate

Charge Distribution on a thin Conductive Plate

x 2 / 2 Charge Distribution on a thin Conductive Plate Charges on the conductor plate are assumed to be (-). The thickness of the conductor plate is assumed to be very thin. Charges on the conductor plate can move…
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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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