Animal Life, Articles, Education, Electronics, Electronics Theory, Energy, General, Home, Human Body, Human life, Life, Power Supply

Why Electricity is so Brutal? Fact File 11


Not always, but only when handled carelessly. Shock induced muscle tetany is the most important effect of current on the muscles. If a person touches the energized conductor, fore arm muscles contracts forcefully and fingers bend. So the person involuntarily holds the conductor. Therefore the victim will be unable to take the hand from the conductor.

As you know, electricity is the flow of electrons through a conductor from its source to the destination. If the conductor offers less resistance, the flow current will be fast and if the conductor has some resistance, the flow of electrons will be obstructed leading to slow movements which generate heat through friction.

Human skin is a semiconductor for electricity and current passes through the body to the ground just like the flow of current through the electric wire. This flow of current causes burning and shock. If the skin resistance is low, the chance of shock hazard is very high. Some people are more sensitive to current while others are less sensitive. Electrical safety measures are necessary while dealing with high voltage AC available from the power grid. Ignorance can lead to a fatal shock or fire hazards.

Remember, Electricity travels at the speed of light. Its flow is around 299,460 kilo meters per second so you will not get time to react because you can’t move faster than electricity. So the best way is staying out of its way.
Continue reading “Why Electricity is so Brutal? Fact File 11”

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Articles, Circuit, Electronics, Electronics Theory, Human Body, Power Supply, Technology

How to avoid Shock Hazards? Solution File 3


You know, electricity is highly impatient because it is travelling at light speed around 2, 99,460 kilometers in one second. So it is wise to stay away from its path because we cannot move away as fast as electricity. Electric current is the flow of electrons through a conductor when a potential difference develops between the ends of the conductor. Ignorance, mis handling, lack of safety measures can lead to hazardous results like shock or fire. When the conductor offers less resistance, flow current will be fast and if the conductor offers higher resistance, flow of current will be slow. When the current passes through a conductor with higher resistance, heat develops due to friction. Our body, especially the skin is a good conductor for electricity and the skin offers some resistance. So when we touch a live wire, current can easily pass to the earth through the body. Since the skin offers resistance, heat will develop and causes burning. Electricity stimulates nerves and muscles and results in jerking reflex which is considered as shock. We have to understand much in this matter as safety precautions. Let us continue to see this.
Continue reading “How to avoid Shock Hazards? Solution File 3”

Animal Life, Articles, Education, Electronics, Electronics Theory, Energy, General, Home, Human Body, Human life, Life, Power Supply

Why Electricity is so Brutal? Fact File 11


Not always, but only when handled carelessly. Shock induced muscle tetany is the most important effect of current on the muscles. If a person touches the energized conductor, fore arm muscles contracts forcefully and fingers bend. So the person involuntarily holds the conductor. Therefore the victim will be unable to take the hand from the conductor.

As you know, electricity is the flow of electrons through a conductor from its source to the destination. If the conductor offers less resistance, the flow current will be fast and if the conductor has some resistance, the flow of electrons will be obstructed leading to slow movements which generate heat through friction.

Human skin is a semiconductor for electricity and current passes through the body to the ground just like the flow of current through the electric wire. This flow of current causes burning and shock. If the skin resistance is low, the chance of shock hazard is very high. Some people are more sensitive to current while others are less sensitive. Electrical safety measures are necessary while dealing with high voltage AC available from the power grid. Ignorance can lead to a fatal shock or fire hazards.

Remember, Electricity travels at the speed of light. Its flow is around 299,460 kilo meters per second so you will not get time to react because you can’t move faster than electricity. So the best way is staying out of its way.
Continue reading “Why Electricity is so Brutal? Fact File 11”

Articles, Components, Education, Electronics, Electronics Theory, Science

Know the meaning of Symbols


In Electronics, standard symbols are used to represent Volt, Current, Resistance, Power etc. These standard symbols are seen in electronics theory as well as in circuit diagrams. See the purpose of its use and the variations in representations.

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Articles, Electronics, Energy, Technology

Electrical Energy


Like all other forms of energy, electrical energy is the capacity to do work. Like other forms of energy, electrical energy can be converted into other forms such as light energy, heat energy etc. Energy can only be transferred when a difference in energy level exists.

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